An investor owns $10,000 par value of a municipal bond with the following rates:4.

The annual interest on a bond is calculated based on the coupon rate and the bond’s par value.

Coupon rate = 4.0%.

Annual interest = $10,000 (par value) × 4.0% = $400.

A is correct because the coupon rate determines the annual interest.

B, C, and D are incorrect because they reflect incorrect calculations. The current yield, YTM, and tax-equivalent yield do not affect the bond’s fixed coupon payments.