Answer:
a) The nominal interest rate that I would require from the bank over the next year is 15%.
b) At the end of one year, I will have $1,150.
c) If I am saving to buy a fancy bicycle that currently sells for $1,050, I will have enough money ($1,150) to buy it. It will be costing $1,134 ($1,050 * 1.08) with inflation rate of 8% in one year's time.
Explanation:
The nominal interest rate (15%) is higher than the real interest rate (7%) when inflation is positive because the real interest rate is adjusted for inflation (at 8%). The real interest rate is the rate without inflation while the nominal interest rate factors in the inflation rate.