13. The balance in Accounts Receivable was $700,000 at the beginning of the year and $780,000 at the end of the year. Credit sales for the year totaled $4,110,000. During the year, $430,000 in customer accounts were written off. How much cash was collected from customers during the period? A) $3,600,000 B) $4,030,000 c$4,460,000 D) $4,620,000