19. Consider an economy in which the interest rate is constant and equal to 5% per year compounded annually. You have information on the following bonds over a principal of $1,000: Bond A: Maturity 2 years, paying coupons of 3% once per year Bond B: Maturity 5 years, paying coupons of 5% once per year Bond C: Maturity 10 years, paying coupons of 7% once per year . Compute the price of the following portfolios: a) 5 bonds type A b) 2 bonds type B c) 10 bonds type C d) 5 bonds type A, 2 bonds type B, and 10 bonds type C