4 pts Verma, Inc. sells office furniture. In 2022, it sold 200 desks for $500 each. For each desk sold, Verma distributed a coupon. The coupon gives the Verma, Inc. customer an opportunity to buy an office chair for only $25 (a 50% discount). The coupon must be redeemed within one year. The chairs purchased with the coupons are priced at $50 each and normally discounted 10%. Verma. Inc. estimates that 70% of customers will take advantage of the coupon. What is the stand-alone selling price of the coupon? O $14 O $50 $20 O $15