im not sure how to finish this problem or what i fid wrong. can you please help me?

also can you please help me with the sales revenue and the gross profit please

Exercise 6-4A Calculate inventory amounts when costs are rising (L06-3) {The following information applies to the questions displayed below.) During the year, TRC Corporation has the following inventory transactions. Date Transaction Jan. 1 Beginning inventory Apr. 7 Purchase Jul.16 Purchase Oct. 6 Purchase Number of Units Unit Cost Total Cost 45 $ 37 $ 1,665 125 39 4,875 195 42 - 8,190 105 43 4,515 470 $19, 245 For the entire year, the company sells 414 units of inventory for $55 each. Exercise 6-4A Part 1 Required: 1. Using FIFO, calculate ending inventory, cost of goods sold, sales revenue, and gross profit. Answer is not complete. FIFO Cost of Goods Sold Ending Inventory Cost of Goods Available for Sale Cost of # of Cost Goods per units unit Available for Sale # of units Cost per unit Cost of Goods Sold # of units Cost per unit Ending Inventory 45$ 37S 1,665 45$ 37 $ 1,665 0 Beginning Inventory Purchases: Apr. 7 Jul. 16 Oct.6 4,875 0 42 125 $ 39 195 $ 105 $ 43 470 125 $ 39 195 $ 42 105 X $ 43 8,190 4,515 $ 19,245 4,875 8,190 4,515 0 Total Sales revenue Gross profit