18. At a rate of 11%, calculate the present value and the future value of the following cash flow stream. Years: 0 1 2 3 4 CFs: -$600 $1,000 $1,700 $2,800 $800 19. Matteo Toys has bonds outstanding that have an 11% semiannual coupon and a face value of $1,000. The bonds will mature in 12 years, although they can be called before maturity at a call price of $1,045. The bonds have a yield to call of 8.4% and a yield to maturity of 9.2%. How long until these bonds may first be called