Problem 9-5 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 $570,000 in capital expenditures and $370,000 in working capital investments during 2021. Rainier Printing Income Statement January 1 to December 31, 2021 ($ thousands) Net sales Cost of sales Gross profit Operating expense Depreciation expense Operating income Interest expense Income before tax ces Tax Income after tax Note: Enter your answer in thousands. Free cash flow $ 8,400 5,700 2,700 1,070 520 1,110 220 890 267 $ 623