Link, Incorporation Selected financial data ($ thousands) 2020 Income statement and related items Sales Cost of goods sold Net income Cash flow from operations Balance sheet items Cash Marketable securities Accounts receivable Inventory Total current assets Accounts payable Accrued liabilities Total current liabilities $ 160,835 141,829 (91,432) (35,831) $ 236,307 209,670 12,645 2021 $ 274,219 209,628 (257,981) (12,538) $ 164,952 22,638 21,655 3,971 40,556 462,593 249,801 17,735 13,962 27,184 76,596 44,919 90,558 Please refer to the financial data for Link, Incorporation above. What is Link's gross margin for 2021?