PLZ HELP!

Required information [The following information applies to the questions displayed below.) During the year, Trombley Incorporated has the following inventory transactions. Number of Units 30 Date Transaction Jan. 1 Beginning inventory Mar. 4 Purchase Jun. 9 Purchase Nov. 11 Purchase Unit Cost $ 32 31 30 28 35 40 40 Total Cost $ 960 1,085 1,200 1,120 $4,365 145 For the entire year, the company sells 111 units of inventory for $40 each. Required: 1. Using FIFO, calculate ending inventory, cost of goods sold, sales revenue, and gross profit. FIFO Cost of Goods Sold Ending Inventory Cost of Goods Available for Sale Cost of # of units Cost per Goods unit Available for Sale $ 0 # of units Cost per unit Cost of Goods Sold # of units Cost Ending per unit Inventory $ 0 $ 0 0 $ 0 0 Beginning Inventory Purchases: Mar 04 Jun 09 Nov 11 Total 0 0 0 $ $ 0 0 0 $ 0 Sales revenue Gross profit 2. Using LIFO, calculate ending inventory, cost of goods sold, sales revenue, and gross profit. LIFO Cost of Goods Sold Ending Inventory # of units Cost per Cost of Goods Available for Sale Cost of Goods unit Available for Sale $ 0 # of units Cost per Cost of Goods Sold # of units unit Cost Ending per unit Inventory Beginning Inventory Purchases: Mar 04 Jun 09 0 0 Nov 11 0 Total 0 $ $ 0 Sales revenue Gross profit 3. Using weighted-average cost, calculate ending inventory, cost of goods sold, sales revenue, and gross profit. (Round "Average Cost per unit" to 2 decimal places and all other answers to the nearest whole number.) Ending Inventory - Weighted Average Cost Weighted Average Cost Cost of Goods Available for Sale Cost of Goods Sold - Weighted Average Cost Average Cost of Goods Average # of units Cost per Available for # of units Cost of Cost per unit Sold Sale Unit Goods Sold Average # of units in Ending Inventory Cost per unit Ending Inventory 30 $ 960 Beginning Inventory Purchases: Mar 4 35 1,085 1200 40 Jun.9 Nov. 11 40 1,120 4,365 Total 145 $ Sales revenue Gross profit a 4. Which method will result in higher profitability when inventory costs are declining? Multiple Choice LIFO Weighted average FIFO