You finally lease the car of your dreams. You have signed a 36-month lease, at $1,997.32 per month, on the Phantom Super Imperial Deluxe Year 2003 model. The 36-monthly payments of $1,997.32 form an annuity certain.

You have lent your neighbor $100. She promises to repay you at $10 per month for 10 months. The 10 monthly payments of $10 each form an annuity certain.

You buy a $1,000 bond issued by the XYZ Corporation. The bond has a 9% coupon rate and matures in 20 years. The coupon interest is paid semiannually. The 40 semiannual coupon payments of $45 form an annuity certain.