. Given the information below, please estimate the 5-year interest if the profit of the treasury STRIPS is $80.

Treasury STRIPS: based on a 5-year treasury with coupon rate of 6% and par value of $1,000. (The coupon payment is made semiannually.)

US Treasury Bonds
Maturity	Yield (%)
6 Month	1.00
1 year	1.50
1.5 Year	2.00
2 Year	2.50
2.5 Year	3.00
3 Year	3.50
3.5 Year	4.00
4 Year	4.50
4.5 Year	5.00
5 Year	?????