If Sharon's weekly salary increased by 20 percent, she would earn $600 per week. If instead, her weekly salary were to increase by 15 percent, how much would she earn per week?  Choose the correct choice from the following answers
A) rs . 575
B) rs . 600
C) rs . 625
D) rs . 485
E) rs . 590

Rationale: "soln : - ( 600 / 120 ) 115 = 575 in this case long division does not take much time . ( 5 / 1 ) 115 = rs . 575 answer : a"
Answer: A