You celebrated the birth of your first child today and want to start saving for their education. The full cost of tuition plus room and board for four years at a local university is $80,000 today. This cost is expected to grow at 7.5% annually. Assuming your child goes off to college 18 years from now, how much will you need to save every year (starting at the end of the first year) at an ROR of a) 0% and b) 8% to have enough to pay for college?