Suppose you want to have $500,000 for retirement in 30 years. Your account earns 7% interest. Round your answers to the nearest cent. a) How much would you need to deposit in the account each month? b) How much interest will you earn? Suppose you want to have $500,000 for retirement in 30 years. Your account earns 7% interest. Round your answers to the nearest cent. a) How much would you need to deposit in the account each month? b) How much interest will you earn