General Inc. shipped 100 million coupons in products it sold in 2013. The coupons are redeemable for thirty cents each. General anticipates that 70% of the coupons will be redeemed. The coupons expire on December 31, 2014. There were 45 million coupons redeemed in 2013, and 30 million redeemed in 2014.

1. What was Gerneral`s coupon liability as of December 31, 2013?

2.What was General`s coupon promotion expense in 2013?

3. What was Gerneral`s coupon promotional expense in 2014?

Please help me solve this with explanation, thank you!