The Concord Company counted physically their beginning balance on June 02, 2020 and subsequent inventory purchases made by the company during the month of June 2020 are given below: Date Jun. 02 Jun. 11 Jun 23 Description Beginning Inventory Purchased Purchased Units 500 400 700 Rate $11 13 15 The company sold 1,400 units during the month of June 2020. Instructions: The company uses periodic inventory system. Compute the cost of goods sold and ending inventory on June 30, 2020 using the following inventory costing methods: a) First in, first out (FIFO) method. (10 marks) b) Weighted Average cost method. (10 marks)