1. Suppose that an investment of $3750 accumulates to $8503.08 at the end of 13 years, then the effective annual interest rate is i=

2. At an effective annual rate of interest of 5.3%, the present value of $10371.57 due in t years is $5300. Determine t=

3.

a) Under simple interest rate of 6%. The effective rate of interest in the 14 th year is i14= % b) Under simple interest rate of 6%. The effective rate of interest in the 18 th year is i18= % c) Under compound interest rate of 6%. The effective rate of interest in the 14 th year is i14= % d) Under compound interest rate of 6%. The effective rate of interest in the 18 th year is i18= %