The salary of a worker is first increased by 30% and afterwards reduced by 30%. What is net change in his salary?\nOptions:\n(A) 910% increase\n(B) 10% increase\n(C) 9% decrease\n(D) 12% decrease\n(E) 15% increase
Reason slowly and give your answer.
(C)
(30 * 30)/100 = 9% decrease.

The final answer: (C)