Kanul spent $3000 in buying raw materials, $1000 in buying machinery and 30% of the total amount he had as cash with him. What was the total amount? Choose the correct choice from the following answers.
A) $ 5825.16 B) $ 5725.26 C) $ 5714.28 D) $ 5912.52 E) $ 5614.46

Rationale: "let the total amount be x then , ( 100 - 30 ) % of x = 3000 + 1000 70 % of x = 4000 70 x / 100 = 4000 x = $ 40000 / 7 x = $ 5714.28 answer is c"
Answer: C