Step 1: First find the decimal value of 30% is 30/100 = 0.30
Step 2: Then multiply the 0.30 into 28000 = 0.30 * 28000
Step 3: Then you got 8400.
Step 4: And add the 8400 + 28000 = 36400
Step 5: Hence, New Salary is 36400.