How much should you deposit at the end of each month into an investment account that pays 6% compounded monthly to have $4 million when you retire in 37 years? How much of the $4 million comes from interest? . . . . . In order to have $4 million in 37 years, you should deposit $ each month. (Round up to the nearest dollar.) $ of the $4 million comes from interest. (Use the answer from part (a) to find this answer. Round to the nearest dollar as needed.)