1. An investment account is advertised as offering an interest rate of 15% p.a. compounded monthly.
(a) Find the effective interest rate per annum.
(b) Use the Excel function EFFECT to find the effective rate.
2. The interest rate for an investment is 9% per annum compounded quarterly.
(a) What is the effective interest rate per annum?
(b) Use the Excel function EFFECT to find the effective rate.