Explain the differences among a bonds coupon interest rate, the current yield, and a bondholders required rate

Question:

Explain the differences among a bond’s interest rate, the current yield, and a bondholder’s required rate of return?

Coupon
A coupon or coupon payment is the annual interest rate paid on a bond, expressed as a percentage of the face value and paid from issue date until maturity. Coupons are usually referred to in terms of the coupon rate (the sum of coupons paid in a...