please help answer all one question

Required information Problem 5-1A (Algo) Periodic: Alternative cost flows LO P1 The following information apples to the questions disp/ayed belaw] Warnerwoods Company uses a periodicinventory system, it entered into the following purchases and sales transactions for March For specific identification, the March 9 sale consisted of 90 units from beginning inventory and 410 units from the March 5 purchase, the March 29 sale consisted of 120 units from the March 18 purchase and 200 units from the March 25 purchase Problem 5-1A (Algo) Part 1 Required: 1. Compute cost of goods available for sale and the number of units available for sale. 2. Compute the number of units in ending inventory. 3. Compute the cost assigned to ending inventory using (a) FIFO, (b) LIFO, (c)weighted average, and (d) specific identification. Note: Round your "average cost per unit" to 2 decimal places. 4. Compute gross profit earned by the company for each of the four costing methods Note: Round your average cost per unit to 2 decimal places and final answers to nearest whole dollar