10. Chris is planning for her son's university education to begin ve years from today. She estimates the yearly tuition, books and living expenses to be $5 000 per year for a four-year degree. Assume that all living expenses are paid in full at the end of each year of study. How much must Chris deposit today, at an interest rate of 8 per cent, for her son to be able to withdraw $5 000 per year for four years of university? A) $20 000 B) $39 520 C) $13 620 D) $11 277