The Slaughter Company uses the cash basis of accounting. Slaughter Company collected $850,000 from its customers during 2010. Customers owed Slaughter $50,000 of accounts receivable at the beginning of 2010, and $90,000 of accounts receivable at the end of 2010. What is Slaughter's sales revenue for 2010 under the accrual basis of accounting?
A) $810,000
B) $850,000
C) $890,000
D) $940,000