is this correct? and if not how can i find the answer

Uneared Revenue, which represents the company's obligation to honor gift cards previously wed to customers, tomated $7000 te beginning of the year and $10.500 the end of the year. Customers purchased cards ang $52.000 during the year. What was the amount of gincards redeemed by customers during the year? Me Choice O $3.500 $60.500 a $14500 353.500