Rina and shila entered into a partnersship with their capitals in the ratio 5 : 6. At the end of 8 months, Rina withdraws her capital. If they receive the profit in the ratio of 5 : 9, find how long shila's capital was used?
A
10 months
B
12 months
C
14 months
D
16 months
Correct Answer: 12 months