The balance in Accounts Receivable at the beginning of the year was $530,000. The balance in Accounts Receivable at the end of the year was $710,000. Customer accounts of $480,000 were written off. The company collected $4,100,000 from credit customers and $1,030,000 from cash customers. What are credit sales for the year?

A) $4,400,000

B) $4,100,000

C) $4,580,000

D) $4,760,000