South Penn Trucking is financing a new truck with a loan of $10,000 to be repaid in 5 annual end-of-year installments of $2, 504.56. What annual interest rate is the company paying? 7% 8% 9% 10% 11% In 1958 the average tuition for one year at an Ivy League school was $1, 800. Thirty years later, in 1988, the average cost was $13, 700. What was the growth rate in tuition over the 30-year period? 12% 9% 6% 7% 8%