PLEASE SHOW DETAILED WORK.

a) Last year, Alex earned 14.59% on his investments. The inflation rate was 4.3% for the year. What was his real rate of return for the year? b) George is considering investing $10,000 for one year. He would like to earn a real return of 9% on his investment. He expects inflation to average 3.25% over the coming year. What nominal rate of return does he need to earn