Montoure Company uses a perpetual inventory system, It entered into the following calendar-year purchases and sales transactions. Required: 1. Compute cost of goods avbilable for sale and the number of units ovallable for sale. 2. Compute the number of unis in ending invemory Montoure Company uses a periodic inventory system. It entered into the following calendar-year purchases and sales transactions. 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