1. A 1000 par bond with 6.5% semiannual coupons is priced to yield 5.8% convertible semiannually. If the amount of the premium amortized in the 4th period is 2.12, how much of the premium is amortized in the 9th period?
2. A 12-year par value bond with 8% semiannual coupons was bought for 1200. The bond is callable at par value K after the end of year 6. The price guarantees that the buyer will receive the nominal annual rate of yield convertible semiannually of at least 6%. Calculate K.