You are planning to start graduate school in three years. Your first year tuition is $15,000 to be paid at t=3 and your second year tuition is $18,000. to be paid at t=4. Eatimate the amount of money you need to invest today in a mutual fund yleiding 5% to cover your future tuition expenses. 528,665 $27.766 527,490 $28.521