A corporation creates a sinking fund in order to have $490,000 to replace some machinery in 11 years. How much should be placed in this account at the end of each quarter if the annual interest rate is 7.2% compounded quarterly? (Round your answers to the nearest cent.) $ How much interest would they earn over the life of the account? $ Determine the value of the fund after 2, 4, and 6 years. 2 years $ 4 years $ 6 years $ How much interest was earned during the second quarter of the 6th year? $