A shopkeeper sells his goods at cost price but uses a faulty meter that weighs 940 grams. Find the profit percent.	Choose the correct answer
A) 7.38 B) 5.38 C) 4.38 D) 6.38 E) 3.38

Rationale: explanation : ( 100 + g ) / ( 100 + x ) = true measure / faulty measure x = 0 true measure = 1000 faulty measure = 940 100 + g / 100 + 0 = 1000 / 940 100 + g = 100 / 94 * 100 g = 6.38 answer : d
Answer: D