The current cost of graduate school tuition is $18,000 per year. The cost of tuition is rising at 3.00% per year

The current cost of graduate school tuition is $18,000 per year. The cost of tuition is rising at 3.00% per year. You plan to attend graduate school for 2 years starting 3 years from now. How much do you have to invest today if your savings account earns 6.00% APR compounded annually to just fund your tuition?