14. Installment sales for 2018 is 5600,000 and cost of goods sold $300,000 while the installment sales in 2019 is 51,000,000 and cost of goods solu S800,000 cash collection from 2018 sales was $400,000 in 2010 and $200,000 in 2010, cash collection from 2019 sales was $500.000 2019 and 5500,000 in 2020, using cost recovery method compute gross profit realized in 2017 C-5300,000