A corporation creates a sinking fund in order to have $490,000 to replace some machinery in 8 years. How much should be placed in this account at the end of each month if the annual interest rate is 8.4% compounded monthly? (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.