13. Installment sales for 2018 is $600,000 and cost of goods sold 300.000 while the installment sales in 2019 is $1,000,000 and cost ef goede $800,000, cash collection from 2013 sales was $400,000 in 2018 and $200,000 in 2019. cash collection from 2019 sales was $500.000 2010 and 5500,000 in 2020, using installment sales method compute Unrealized gross in 20192 a $100.000 b. 5200,000 $100,000 d: $150,000