Need answer to all 3 questions below. Thank you.

Sales revenue Cost of goods sold Operating expenses Interest Revenue $460,000 300,000 85,000 5,000 al What is gross profit? FILL IN January 1 Inventory 10 units at $100$1,000 March17 Purchase 20 units at $1252,500 30 Purchase 15 units at $1502,250 October 2 Purchase 20 units at $2004,000 9.750 July 65 There are 11 units of Item ABC in the physical inventory at December 31 (the periodic system is used). Determine the inventory cost. 2 FIFO method FILL IW Patel determines that at the end of December, it has the following aging schedule of Accounts Receivable: Total Yet 1-30B1-60 61-90 Over90 V Fanmer 300$200 100 200 N Bell CNe 150 100 1% 5% 110% Total Estimated (The beginning balance in the allowance account is $50 credit.). 5% The necessary adjusting entry at December 31th is