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 $$620,000$ in capital expenditures and $$420,000$ in working capital investments during $2021.$

Rainier Printing Income Statement

January $1$ to December $31,2021($$ thousands$)$

Net sales $ $9,400$

Cost of sales $6,200$

Gross profit $3,200$

Operating expense $1,120$

Depreciation expense $570$

Operating income $1,510$

Interest expense $270$

Income before tax $1,240$

Tax $496$

Income after tax $ $744$