Solve the following problems involving real rates of return and interest.

1. Find ireal with 5.5% interest and 1.25% inflation.

2. An account pays a 3.75% real interest rate. Find the rate of interest paid during a year when inflation is 2.95%. 3. An account pays a 6.2% real rate of return. If $3100 is deposited on January 1, 2018 and the account has an AV of $3,416 on December 31, 2019 find the average annual effective inflation rate of the two years 2018-9. 4. 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?