Below is a recent income statement for Gatlin Camera:

Net Sales	$8,000
Cost of Sales (including depreciation of $800)	4,700
Gross Profit	3,300
Selling and Admin. expenses (including interest expense of $570)	1,500
Income before Tax	1,800
Tax	612
Income After Tax	1,188

Calculate Gatlin's free cash flow in this year assuming it spent $510 on new capital equipment and increased working capital of $340.

EDIT: Please show the work in order for me to understand