Delta Motor just deposited $16,500 in an investment account for the purpose of buying new equipment three years from today. The company plans on making additional deposits of $20,000 to the account per year in the next three years. How much will be available when it is ready to buy the equipment assuming the account pays 525 interest? Select one: a. $73,927 b. $68,021 c. $82,443 d. $76,500 e $86,792