diff --git a/.cspell.json b/.cspell.json
index 1d362a1..c770c80 100644
--- a/.cspell.json
+++ b/.cspell.json
@@ -1,6 +1,9 @@
 {
   "language": "en",
-  "words": [],
+  "words": [
+    "healthcareworker",
+    "healthcareworkers"
+  ],
   "ignorePaths": [
     "node_modules/**",
     "package.json",
diff --git a/src/ricardo-pena/doctor-example.spec.js b/src/ricardo-pena/doctor-example.spec.js
new file mode 100644
index 0000000..0102508
--- /dev/null
+++ b/src/ricardo-pena/doctor-example.spec.js
@@ -0,0 +1,302 @@
+// =============== your solutions will go here ===============
+
+const solution = (healthCareWorker = {}, percentage) => {
+  let premium = 0;
+
+  if (healthCareWorker.profession === 'doctor') {
+    if (healthCareWorker.experience >= 20) {
+      premium = percentage * 3;
+    } else if (healthCareWorker.experience >= 10) {
+      premium = percentage * 2;
+    } else if (healthCareWorker.experience < 10) {
+      premium = percentage * 1.5;
+    }
+    if (premium > 1000) {
+      throw new Error('Premium is more then 1000');
+    }
+  }
+
+  if (healthCareWorker.profession === 'nurse') {
+    if (healthCareWorker.experience >= 20) {
+      premium = percentage * 1.7;
+    } else if (healthCareWorker.experience >= 15) {
+      premium = percentage * 1.5;
+    } else if (healthCareWorker.experience >= 10) {
+      premium = percentage * 1.3;
+    } else if (healthCareWorker.experience < 10) {
+      premium = percentage * 1.2;
+    }
+
+    if (premium > 500) {
+      throw new Error('Premium is more then 500');
+    }
+  }
+  return premium;
+};
+
+// TESTING AREA
+
+// Testing for 200
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for doctors', () => {
+    describe('When the premium is 150', () => {
+      it('Should multiply by x 1.5 when she has less than 10 year experience', () => {
+        expect(solution({ profession: 'doctor', experience: 8 }, 200)).toBe(
+          300,
+        );
+      });
+      it('Should multiply by x 2 when she has more than 10 year experience', () => {
+        expect(solution({ profession: 'doctor', experience: 11 }, 200)).toBe(
+          400,
+        );
+      });
+      it('Should multiply by x 3 when she has more than 20 year experience', () => {
+        expect(solution({ profession: 'doctor', experience: 20 }, 200)).toBe(
+          600,
+        );
+      });
+    });
+  });
+});
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for nurses', () => {
+    describe('When the premium is 200', () => {
+      it('Should multiply by x1.2 when she has less than 10 year experience', () => {
+        expect(solution({ profession: 'nurse', experience: 8 }, 200)).toBe(240);
+      });
+      it('Should multiply by x1.3 when she has more than 10 year experience', () => {
+        expect(solution({ profession: 'nurse', experience: 11 }, 200)).toBe(
+          260,
+        );
+      });
+      it('Should multiply by x1.5 when she has more than 15 year experience', () => {
+        expect(solution({ profession: 'nurse', experience: 15 }, 200)).toBe(
+          300,
+        );
+      });
+      it('Should multiply by x1.7 when she has more than 20 year experience', () => {
+        expect(solution({ profession: 'nurse', experience: 20 }, 200)).toBe(
+          340,
+        );
+      });
+    });
+  });
+});
+
+// Testing for 350
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for doctors', () => {
+    describe('When the premium is 350', () => {
+      it('Should multiply by x 1.5 when she has less than 10 year experience', () => {
+        expect(solution({ profession: 'doctor', experience: 8 }, 300)).toBe(
+          450,
+        );
+      });
+      it('Should multiply by x 2 when she has more than 10 year experience', () => {
+        expect(solution({ profession: 'doctor', experience: 11 }, 300)).toBe(
+          600,
+        );
+      });
+      it('Should multiply by x 3 when she has more than 20 year experience', () => {
+        expect(solution({ profession: 'doctor', experience: 20 }, 300)).toBe(
+          900,
+        );
+      });
+    });
+  });
+});
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for nurses', () => {
+    describe('When the premium is 300', () => {
+      it('Should multiply by x1.2 when she has less than 10 year experience', () => {
+        expect(solution({ profession: 'nurse', experience: 8 }, 300)).toBe(360);
+      });
+      it('Should multiply by x1.3 when she has more than 10 year experience', () => {
+        expect(solution({ profession: 'nurse', experience: 11 }, 300)).toBe(
+          390,
+        );
+      });
+      it('Should multiply by x1.5 when she has more than 15 year experience', () => {
+        expect(solution({ profession: 'nurse', experience: 15 }, 300)).toBe(
+          450,
+        );
+      });
+      it('Should multiply by x1.7 when she has more than 20 year experience', () => {
+        expect(solution({ profession: 'nurse', experience: 19 }, 300)).toBe(
+          450,
+        );
+      });
+    });
+  });
+});
+
+// Testing for 500
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for doctors', () => {
+    describe('When the premium is 500', () => {
+      it('Should multiply by x 1.5 when she has less than 10 year experience', () => {
+        expect(solution({ profession: 'doctor', experience: 8 }, 500)).toBe(
+          750,
+        );
+      });
+    });
+  });
+});
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for nurses', () => {
+    describe('When the premium is 500', () => {
+      it('Should multiply by x 2 when she has more than 10 year experience', () => {
+        expect(solution({ profession: 'doctor', experience: 11 }, 500)).toBe(
+          1000,
+        );
+      });
+    });
+  });
+});
+
+// psychologist and therapist
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for psychologist', () => {
+    describe('When the premium is 200', () => {
+      it('Should zero premium for psychologist profession', () => {
+        expect(
+          solution({ profession: 'psychologist', experience: 11 }, 200),
+        ).toBe(0);
+      });
+    });
+  });
+});
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for psychologist', () => {
+    describe('When the premium is 300', () => {
+      it('Should zero premium for psychologist profession', () => {
+        expect(
+          solution({ profession: 'psychologist', experience: 9 }, 300),
+        ).toBe(0);
+      });
+    });
+  });
+});
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for psychologist', () => {
+    describe('When the premium is 500', () => {
+      it('Should zero premium for psychologist profession', () => {
+        expect(
+          solution({ profession: 'psychologist', experience: 15 }, 500),
+        ).toBe(0);
+      });
+    });
+  });
+});
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for psychologist', () => {
+    describe('When the premium is 500', () => {
+      it('Should zero premium for psychologist profession', () => {
+        expect(
+          solution({ profession: 'psychologist', experience: 20 }, 500),
+        ).toBe(0);
+      });
+    });
+  });
+});
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for therapist', () => {
+    describe('When the premium is 200', () => {
+      it('Should zero premium for therapist profession', () => {
+        expect(solution({ profession: 'therapist', experience: 8 }, 200)).toBe(
+          0,
+        );
+      });
+    });
+  });
+});
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for therapist', () => {
+    describe('When the premium is 300', () => {
+      it('Should zero premium for therapist profession', () => {
+        expect(solution({ profession: 'therapist', experience: 11 }, 300)).toBe(
+          0,
+        );
+      });
+    });
+  });
+});
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for therapist', () => {
+    describe('When the premium is 500', () => {
+      it('Should zero premium for therapist profession', () => {
+        expect(solution({ profession: 'therapist', experience: 11 }, 500)).toBe(
+          0,
+        );
+      });
+    });
+  });
+});
+
+// TESTING ERROR
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for nurses', () => {
+    describe('When the premium is 500', () => {
+      it('Should multiply by x 3 when she has 20 year experience, if premium more then 500 throw error', () => {
+        expect(
+          () =>
+            // eslint-disable-next-line implicit-arrow-linebreak
+            solution({ profession: 'doctor', experience: 20 }, 500),
+          // eslint-disable-next-line function-paren-newline
+        ).toThrowError();
+      });
+    });
+  });
+});
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for nurses', () => {
+    describe('When the premium is 500', () => {
+      // eslint-disable-next-line sonarjs/no-identical-functions
+      it('Should multiply by x1.7 when she has less than 10 year experience, if premium more then 500 throw error', () => {
+        expect(
+          () =>
+            // eslint-disable-next-line implicit-arrow-linebreak
+            solution({ profession: 'doctor', experience: 20 }, 500),
+          // eslint-disable-next-line function-paren-newline
+        ).toThrowError();
+      });
+    });
+  });
+});
+
+describe(`${solution.name}: _`, () => {
+  describe('premium for nurses', () => {
+    describe('When the premium is 500', () => {
+      it('Should multiply by x1.2 when she has less than 10 year experience, if premium more then 500 throw error', () => {
+        expect(
+          () =>
+            // eslint-disable-next-line implicit-arrow-linebreak
+            solution({ profession: 'nurse', experience: 8 }, 500),
+          // eslint-disable-next-line function-paren-newline
+        ).toThrowError();
+      });
+    });
+  });
+});
+
+const letSomething = (a) => {
+  return `something ${a}`;
+};
+
+// eslint-disable-next-line no-unused-vars
+const str = letSomething('like this');
diff --git a/src/sort-numbers/daniel-solution/daniel.test.js b/src/sort-numbers/daniel-solution/daniel-test.js
similarity index 100%
rename from src/sort-numbers/daniel-solution/daniel.test.js
rename to src/sort-numbers/daniel-solution/daniel-test.js