The Northstar Corp.company has the following purchases and sales during the year ended December 31, 2014 Inventory and Purchases Sales Beginning 400 units $23/unit June 2 300 units February 18 400 units $21/unit October 6. 200 units September 9.500 units @ $23/unit The units have a selling price of $25.00 per unit a) Given that Northstar Corp. employs a perpetua inventory system, calculate the cost of goods available for sale and the number of units abie for sale, as well as the ting Cost of goods available for sale Units waille for sale Units remaining in ending inventory b) Please fill in the table by calculating the dotar value of cost of goods sold and ending invertory, as well as the grous profit earned by Northstar Corowing e telowing term rowd Word w Calculate weighted average cos por unit of merchandise inventory to the nearest cont FIFO Weighted Average Gost of Goods Gold Ending Inventory Gross Profit