Costs and Financial Aid. The cost of attendance is the total amount of tuition, fees, room and board, books, supplies, and other estimated school expenses. Financial aid is a combination of grants, loans, scholarships, and work-study employment designed to help offset the total cost of attendance.
One of the major problems for an investor looking at that 10% average return figure and mistakenly expecting to realize a nice yearly profit from investing in the S&P 500 is inflation. Adjusted for inflation, the historical average annual return is only around 7%.
For the ten years ended August 31, 2014, the average annual return for the Prime Money Market Fund was 1.69% for Investor Shares and 1.82% for Institutional Shares. The Federal Money Market Fund returned a little less than that, 1.62%, and the Admiral Treasury Money Market Fund 1.52%.