13. The Salty Chip Company includes one coupon having no expiration date with its deluxe snack pack. Upon return of 10 coupons, Salty Chip will send a silver chip clip, which costs Salty Chip S1.50 cach. Past experience indicates that 30% of coupons issued will be redeemed. Salty Chip began this promotion in 2019 and sold 1,000,000 deluxe snack packs During 2019,90,000 coupons were received, and 9,000 chip clips were distributed to customers. The December 31, 2019 balance sheet should include a liability for coupons outstanding of $18,000. b. $180,000 $31,500. $50,000, c. d