it's the same exercise divided into 3 questions, please answer all 3

A $3900,6.6% bond with semi-annual coupons redeemable ot par in 10 years was purchased at 1026. What is the cverage book volue? 0.54001.40 b. $3950.70 c.51968.99 d. $3900.00 A $3900,66% bond with semi-annual coupons redeemable at por in 10 years was purchased at 1026. What is the averoge income per interest payment interval? a. 5133.77. b. \$126.17 c. $123.63 d. 5101.40 A $3900,6.6% bond with semi-annual coupons redeemable at par in 10 years wos purchased at 102.6. What is the approximate yield rate? a. 62588% b 60143% C33214% d.312934