please answer case B

P5-10 Present value calculation Without referring to the preprogrammed function on your financial calculator, use the basic formula for present value, along with the given op- portunity cost, r, and the number of periods, n, to calculate the present value of $1 in each of the cases shown in the following table. Case > A Opportunity cost, Number of periods, : 2% 10 4 B 2 S 3 D 13 2