Unearned Revenue, which represents the companys obligation to honor gift cards previously issued to customers, totaled $6,600 at the beginning of the year and $9,700 at the end of the year. Customers purchased gift cards amounting to $53,000 during the year. What was the amount of gift cards redeemed by customers during the year?

$56,100

$69,300

$49,900

$36,700