Questions 1-3 require detailed steps and procedures

The table below summarizes the beginning inventory, purchases, and sales of Psi Company's single nroduct during Januarv. Required: (1) Compute total goods available for sale. (2) Assuming that the company uses the perpetual inventory system, compute the cost that should be assigned to ending inventory and to cost of goods sold using (a) the weighted-average cost method, and (b) the FIFO method. (3) Assuming that the company uses the periodic inventory system, compute the cost that should be assigned to ending inventory and to cost of goods sold using the weighted-average cost method