Original practice · fully worked
Original variant: third-period premium amortization from redemption
A 15-year bond has face 5,000, redemption 5,200, and 7% annual coupons paid quarterly. It yields 5.6% nominal convertible quarterly. Determine premium amortized in the third coupon payment.
- A
4.56 - B
5.56 - C
6.56 - D
7.56 - E
8.56
Answer and calculation
A prospective book-value schedule gives third-period premium amortization 6.56, choice C.
Setup
Setup
Price the bond at issue using quarterly coupon and yield.
B0=87.5a60∣0.014+5200(1.014)−60=5794.0555 Model
Model
Roll the book value forward through the first two coupon payments.
B1=1.014B0−87.5,B2=1.014B1−87.5 Compute
Compute
The third coupon less interest on the second book value is 6.5632.
A3=87.5−0.014B2=6.5632 Answer
Answer
Premium amortized in the third payment is 6.56, corresponding to choice C.
A3=6.56(C) Calculator reproduction
BA II Plus keystrokes
- 2nd CLR TVM; 60 N; 1.4 I/Y; 87.5 PMT; 5200 FV; CPT PV; 2nd AMORT; P1=3; P2=3PRN ≈ 6.56For a premium bond, the principal line is the premium amortized in coupon 3.