DIRECTION for the question: Solve the following question and mark the best possible option.

A person bought 20 litres of milk at the rate of Rs. 8 per litre. He got it churned after spending Rs. 10 and 5 kg of cream and 20 litres of toned milk were obtained. If he sold the cream at Rs. 30 per kg and toned milk at Rs 4 per litre, his profit in the transaction is

A

37.5%

B

35.3%

C

25%

D

42.5%

E

50%