Today (t=0) your daughter is born and you decide to start saving for her education. You figure that you will need to pay for 5 years of undergraduate engineering at $20,000 per year (from t=18 through t=22), and two years for graduate school at $30,000 per year (t=23 and t=24). you decide to start your equal-sum deposits on her 5th birthday. You plan to make equal-sum deposits all the way through to her 24th birthday (so including t=5, including t=10, and including t=24). How much do the annual deposits need to be in this case?