The balance in Accounts Receivable was $670,000 at the beginning of the year and $760,000 at the end of the year. Credit sales for the year totaled $4,110,000. During the year, $420,000 in customer accounts were written off. How much cash was collected from customers during the period? O A. $3,600,000 O B. $4,020,000 O C. $4,620,000 OD. $4,440,000