Need to know how to solve this either on calculator or step by step.

planning for his son's college education to begin ten years from today. He estimates the end-of the year tuition, books, and living muc expenses to be S10,000 per year for a four-year degree. How h must Otto deposit today, at an interest rate of 12 percent, for his son to be able to withdraw $10,000 per year for four years of college? A. $40,000 B. $12,880 C. $ 9,780 D. $18,950