An investor purchases a bond paying a stated $($coupon$)$ interest rate of $3\%$ when the market rate of interest for the bond is also $3\%.$ Assuming that over the life of that bond, there was constant annual inflation of $0\mathrm{.}5\%$ per year, what was the real annual return on the bond? a$.2\mathrm{.}5\%$b$.3\%$c$.3\mathrm{.}5\%$d$.$ Cannot tell because you need to know what the price of the bond was at the time the bond was purchased