Peterson Photoshop sold $1000 of gift cards on a special promotion on October 15, 2011, and sold $1500 of gift cards on another special promotion on...

Peterson Photoshop sold $1000 of gift cards on a special promotion on October 15, 2011, and sold $1500 of gift cards on another special promotion on November 15, 2011. Of the cards sold in October, $100 were redeemed in October, $250 in November, and $300 in December. Of the cards sold in November, $150 were redeemed in November and $350 were redeemed in December. Peterson views the probability of redemption of a gift card as remote if the card has not been redeemed within two months. At 12/31/2011, Peterson would show an unearned revenue account for their gift cards with a balance of: