Rich wants to have $25 000 in 5 years for a down payment on a house. How much should he invest today at 6.25% per annum, compounded quarterly? i = n = A = P = ? Present Value, P = A(1 + i)" Notice the negative exponent Therefore, he should invest $ ..today.

Student Loans Willie Wilson plans to borrow $36,627 at the beginning of each of his 4 years of college. He will repay the loan in 14 equal annual installments at the end of each year starting one year after he graduates. If the interest rate is 10.38%, how large will the installments be? Interest will accrue on Willie's loan while he is in college. Numeric Response

Find the uniform annual amount that is equivalent to a uniform gradient series in which first year's payment is $500, the second year's payment is $600, the thirds year's payment is $700, and so on, and there are total of 20 payments. The annual 6. interest rate is 8%.

This is engineering economic.