An agent, gets a commission of 4% on the sales of cloth. If on a certain day, he gets Rs. 12.50 as commission, the cloth sold through him on that day is worth  Choose the most appropriate option:
A) 312
B) 500
C) 887
D) 299
E) 132

Rationale: "explanation : let the total sale be rs . x . then , 4 % . of x = 12.50 = ( 4 / 100 * x ) = 12.5 < = > x = 312.5 . answer : a"
Answer: A