Balance in Accounts Receivable at the beginning of the year was $ $230,000. During the year, the they collected $3,700,000 from credit customers, collected $1,030,000 from cash customers, and wrote off $380,000 of customer accounts. The balance in Accounts Receivable at the end of the year was $520,000. What are credit sales for the year?

		$3,610,000
		$4,080,000
		$3,700,000
		$4,370,000