Find the stand alone selling price of a coupon: A coupon offers 40% discount, which allows a person to buy a headphone, price at $150, for just $90. It expires in 1 year. Assume 80% of the customers will end up using the coupon. How much is it worth? (Estimate the stand- alone selling price of the coupon) *If customers use the coupon, it is worth $150 - $90 = $60 *If customers let the coupon expire, it is worth $0. Expected Value of Coupon = $60 * 80% + $0 * 20% = $48