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3) Solve the following problems involving real rates of return and interest. a) Find ireal with 5.5% interest and 2.25% inflation. b) An account pays a 3.75% real interest rate. Find the rate of interest paid during a year when inflation is 1.95%. c) An account pays a 6.2% real rate of return. If $13100 is deposited on January 1,2018 and the account has an AV of SI3,416 on December 31,2019 find the average annual effective inflation rate of the two years 2018-9. d) Jon has $12500 today. If he invests his money at 6% interest and inflation is 2% per year, when will his purchasing power be twice what it is today? 3) Solve the following problems involving real rates of return and interest. a) Find ireal with 5.5% interest and 2.25% inflation. b) An account pays a 3.75% real interest rate. Find the rate of interest paid during a year when inflation is 1.95%. c) An account pays a 6.2% real rate of return. If $13100 is deposited on January 1,2018 and the account has an AV of SI3,416 on December 31,2019 find the average annual effective inflation rate of the two years 2018-9. d) Jon has $12500 today. If he invests his money at 6% interest and inflation is 2% per year, when will his purchasing power be twice what it is today