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) 90% increase\n(B) 45% increase\n(C) 9% decrease\n(D) Same as before\n(E) NONE
Please answer the following question by reasoning step-by-step.
(D)
(30 * 30)/100 = 9% decrease.

The final answer: (D)