Among five objects E, F, G, H and K, the weight of H is 3 times the weight of K. The weight of G is 7.5 kg. The weight of E is twice the weight of F. The weight of K is 4 times the weight of G. If the weights of F and G are equal, then which is the second heaviest object?

A

K

B

H

C

E

D

F