What is a coupon in the context of finance and investments? 2. How do coupons work in bond investments? 3. What is the relationship between a bond's coupon rate and its yield? 4. How does the coupon rate affect the price of a bond? 5. What is the difference between a fixed-coupon bond and a floating-coupon bond? 6. How is the face value of a bond related to its coupon payments? 7. Can the coupon rate of a bond change over time? If so, why? 8. How are coupon payments typically determined for bonds? 9. What is a zero-coupon bond, and how does it differ from a regular coupon bond? 10. What is the significance of the coupon payment date for bond investors? 11. Can coupon payments be reinvested? If so, what are some strategies for maximizing returns? 12. What is the role of coupons in the valuation and pricing of financial derivatives, such as options? 13. How are coupons used in the context of retail and online shopping?