Problem #2: Excel's Solver utility can also find an optimum solution involving more than one variable. We will use Solver to find the best fit of a straight line yield curve for some bond prices (more information on Solver is available in the previous assignment, or in the online tutorial). You are to calibrate a straight line yield curve where y(t) = yo + mt by finding appropriate values for yo and m. The value y(t) is the semiannually compounding bond yield, or IRR. for a bond of maturity t. The yield curve is to be the best straight-line fit for the following four bonds: Bond 1 has face value $100 and a term of 1 year with semiannual coupons of 8% and a price of $103.89. Bond 2 has face value $100 and a term of 1.5 year with semiannual coupons of 4% and a price of $98.49. Bond 3 has face value $100 and a term of 2 year with a semiannual coupon of 7% and a price of $103.13. Bond 4 has face value $100 and a term of 5 year with a semiannual coupon of 6% and a price of $99.36. Create a spreadsheet with headings similar to the following: G H 1 2 3 4 5 6 yo crate> m =(G7-H7)^2 =y_0+ m * B3 m =(G7-H7)^2 =y_0+ m * B3