Car Locks Company Reported Annual Sales of $640 000

Car Locks Company reported annual sales of $640 000. The following information is also available: Bad debts written off during the year: $40 000
On a cash flow statement (direct format) , what amount would be reported for 'Cash collected from customers' for the year?

A) $510 000
B) $630 000
C) $610 000
D) $720 000