The owner of a furniture shop charges his customer 25% more than the cost price. If a customer paid Rs. 8400 for a computer table, then what was the cost price of the computer table? Choices:  A) rs . 5725  B) rs . 5275  C) rs . 6275  D) rs . 6720  E) none of these

Rationale: "cp = sp * ( 100 / ( 100 + profit % ) ) = 8400 ( 100 / 125 ) = rs . 6720 . answer : d"
Answer: D