Independent solution

How to solve this Bond Pricing and Yields question

Setup

Setup

Price each bond per unit face using coupon rate 2.25 times yield.

Pn=2.25iani+vn=2.251.25vnP_n=2.25i\,a_{\overline n|i}+v^n=2.25-1.25v^n

Model

Model

Use the 18-year price to recover the annual discount factor.

1.61=2.251.25v181.61=2.25-1.25v^{18}
v18=0.51200000v^{18}=0.51200000

Compute

Compute

The second price gives v to the n = 0.64. Dividing logarithms gives n = 12.000000.

1.45=2.251.25vn1.45=2.25-1.25v^n
n=12.00000000n=12.00000000

Answer

Answer

The second bond has a 12-year term, so choice B is correct.

n=12(B)\boxed{n=12\quad\text{(B)}}