4.30. The following table gives the prices of Treasury bonds: Bond principal ($) Time to maturity Time to maturity Annual coupon* Bond price (years) ($) ($) 100 0.50 0.0 98 100 1.00 0.0 95 100 100 1.50 2.00 6.2 101 8.0 104 * Half the stated coupon is assumed to be paid every six months. (a) Calculate zero rates for maturities of 6 months, 12 months, 18 months, and 24 months. (b) What are the forward rates for the periods: 6 months to 12 months, 12 months to 18 months, 18 months to 24 months?