In 1975 the average tuition for one year at an Ivy League school was $3,500. Thirty years later in 2005, the average cost was $26,643. What was the growth rate (like interest rate) in tuition over the 30-year period? A) 10% B) 9% C) 8% D) 7% You plan to put aside the same amount money at the end of each year so you can have $50,000 at the end of the 10th year. If the interest rate is 8%, what is the annual amount? A) $3,451.47 B) $3,855.40 C) $4,598.24 D) $5,000.00 Which of the following is most likely to increase the level of interest rates in the economy? A) Households start saving a larger percentage of their income. B) Corporations increase their demand for capital for more investments. C) The level of inflation is expected to decline. D) All of the above