Surplus is the difference between the highest price a consumer is willing to pay and the price the consumer actually pays. This component of economic surplus is illustrated in the diagram by area:.

You want to have $80,000 in your savings account 11 years from now, and you’re prepared to make equal annual deposits into the account at the end of each year. if the account pays 6.30 percent interest, what amount must you deposit each year? (do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)