$\backslash$table$[[$Year$,2019,2020],[$Net sales,$10000,14800],[$Costs of goods,$5000,6300],[$Depreciation$,1000,600],[$Taxes paid,$1000,800],[$Cash$,10500,10400],[$Accounts receivable,$1800,1900],[$Inventory$,1300,1100],[$Current liabilities,$4000,7000],[$Net fixed assets,$8700,7700]]$

Please calculate the free cash flow in $2020($keep zero decimal places$).$

Your Answer: