Vashti would like to plan for her daughter's college education. She would like for her daughter, who was born today, to attend college for 4 years, beginning at age 18 . Tuition is currently $10,000 per year and tuition inflation is 7%. Vashti can earn an after-tax rate of return of 10%. How much must Vashti save at the end of each year, if she wants to make the last payment at the beginning of her daughter's first year of college? a. $2,845.81 b. $3,345.31 c. $4,009.87 d. $4,900.78