60 kg of an alloy X is mixed with 100 kg of an alloy Y. If alloy X has lead and tin in the ratio of 3 : 2 and alloy Y has tin and copper in the ratio of 1:4, then the amount of tin in the new alloy is

A

53 kgs.

B

80 kgs

C

36 kgs.

D

44 kgs.