20X8 Downstream Transactions Ending Total Re-sold Inventory Sales $101,000 $71,000 $ 30,000 COGS 60,600 42,600 18,000 Gross Profit $ 40,400 $28,400 $ 12,000 Gross Profit % 40.00% 20X8 Upstream Transactions Ending Total = Re-sold + Inventory Sales $ 307.000 $ 210,000 $ 97,000 COGS 180,402 123,402 57,000 Gross Profit $ 126,598 86,598 $ 40,000 Gross Profit % 41.24%