help me by Choosing the Correct answer:

Question # 5

Suppose you make a saving of Rs. 50,000 at the end of each month, assume an interest of 7% compounded monthly, how much will you have accumulated at the end of 4 years?

a) 50000[(1 + 0.07)48 -1]/ (0.07)

b) 50000[(1 – (1 + 0.07)-4]/ 0.07

c)50000[(1 + 0.07/12)48 -1]/ (0.07/12)

d) 50000(1+0.07)4

Question # 6

If you want to withdraw Rs 45,000 at theendof each quarter for the next 6 years then what amount must you invest today at 6% compounded?quarterly

a)45,000 [(1 - (1/ (1 + .06/4)24)) / (.06/4)]

b)45,000(1 + .06/4)24)

c)45,000 [(1 + ((1 + .06/4)24)) / (.06/4)]

d)45,000 [(1 - (1/ (1 + .06)6)) / (.06)]

Thanks

Azhar