Having a difficult time knowing what values to include in the calculation of the below question:

What is the cash used or provided by operating activities (if used, the number should be negative; if provided by, the number should be positive)?

Increase in accounts receivable of $10,200; decrease in supplies of $3,100; gains on sale of equipment of $7,400; losses on sales of equipment of $630; net income of $63,150; increase in accounts payable of $3,500, and depreciation of $12,340.