Please Show all work on how to get cost of goods sold, how to get sales, how to get ending inventory and how to get gross margin

ACC500-In-Class Graded Assignment, Session 5 Name PART A Inventory Valuation Ellis Corporation began operations on January 1, 2018. The 2018 inventory purchases and sales are as follows: Purchase 1on 1/1/18 Purchase 2 on 6/15/18 60 units @ $30 per unit 120 units $36 per unit Sales: Sale 1 on 3/12/18 Sale 2 on 1o/15/18 50 units $80 per unit 10 units@ $82 per unit Compute Ending Inventory, Sales, COGS, and Gross Margin under each of the inventory cost flow assumptions and fill in your answers on the table below. BMO Weighted Average LIFO Ending Inventory Sales Cost of Goods Sold Gross Margin