Use the income statement shown next to calculate free cash flow for Rainier Printing for 2021. In addition to the information in the income statement, assume that Rainier had $720,000 in capital expenditures and $520,000 in working capital investments during 2021. Rainier Printing Income Statement January 1 to December 31, 2021 ($ thousands) Net sales $ 11,400 Cost of sales 7,200 Gross profit 4,200 Operating expense 1,220 Depreciation expense 670 Operating income 2,310 Interest expense 370 Income before tax 1,940 Tax 582 Income after tax $ 1,358 Note: Enter your answer in thousands