Western Energy makes quarterly deposits into an account reserved for purchasing new equipment 2 years from now. The interest paid on the deposits is 12% per year, compounded monthly. (a) Identify the interest period, compounding period, and compounding frequency in the interest period. (b) Calculate the effective annual interest rate, that is, the APY.
What will be an ideal response?
(a) Interest period = year; CP = month; m = 12
(b) in= (1 + r/m)m -1
= (1 + 0.12/12)12 – 1
= 0.12683 (12.683%)
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