I'll give you a question, please answer with step-by-step reasoning process.
The length of a rectangle is increased by 25% and its breadth is decreased by 15%. What is the effect on its area?\nOptions:\n(A) 1288\n(B) 1299\n(C) 10625\n(D) 10000\n(E) 2887

(C)
100 * 100 = 10000\n125 * 85 = 10625.

So, the final answer is (C)