Your parents are gifting you and your wife $60,000 this year. You want to open a college 529 plan and fund it such that you have $51,000 for your sons college education fifteen years from now. If you can earn 4% per year on your money, the amount of the gift that should presently invest in the 529 plan is closest to:

$29,000

b. $26,000

c. $25,000

d. $28,000

e. $27,000