Answer:
Step-by-step explanation:
Current price = Annual coupon*Present value of annuity factor(7.2%,12)+$1000*Present value of discounting factor(7.2%,12)
1142.60=Annual coupon*7.85871162+$1000*0.434172763
1142.60=Annual coupon*7.85871162+434.172763
Annual coupon=(1142.60-434.172763)/7.85871162
Annual coupon = $90.14
Coupon rate=Annual coupon/Face value
=$90.14/$1000
=9.01%