Please answer the following question by reasoning step-by-step.
The length of a rectangle is increased by 35% and its breadth is decreased by 20%. What is the effect on its area?\nOptions:\n(A) 10800\n(B) 1299\n(C) 1000\n(D) 10000\n(E) 2887

(A)
100 * 100 = 10000\n135 * 80 = 10800.

Thus, the answer is (A)