Answer:
$ 326.68 interest earned at 5 yrs
Explanation:
Period = 1 month Periods = 5 x 12 = 60 periodic interest = .12/12 = .01
400 ( 1 +.01)^60 = 726.68 value in account after 5 years
subtract the original deposit to find the interest earned
726.68 - 400 = 326.68