Answer:
5.31%
Explanation:
FV = 1000
Coupon rate = 5.7%
No of compound = 2
Interest per period = $28.5
Bond price = $1048
No of years to maturity = 20
No of compounding till maturity = 40
Coupon rate set on new bonds = Rate(Nper, PMT, -PV, FV) * 2
Coupon rate set on new bonds = Rate(40, 28.5, -1048, 1000) * 2
Coupon rate set on new bonds = 0.02655 * 2
Coupon rate set on new bonds = 0.0531
Coupon rate set on new bonds = 5.31%