A $8300,7.8% bond with semi-annual coupons redeemable at par in 11 years was purchased at 97.5. What is the average book value? a. $4192.54 b. $8196.25 C. $8092.50 d. $8300.00 A $8300,7.8% bond with semi-annual coupons redeemable at par in 11 years was purchased at 97.5. What is the average income per interest payment interval? a. $314.27 b. $207.50 C. $333.13 d. $328.42 A $8300,7.8% bond with semi-annual coupons redeemable at par in 11 years was purchased at 97.5. What is the approximate yield rate? a. 4.0644% b. 4.2565% C. 7.8846% d. 8.1289%