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19. The following are information about purchases and sales for main product of AMEER Inc. for year 2020: ((Beginning inventory)): 9,000 units / $4 each ((Purchases)): - February: 21,000 units / $6 each -June: 30,000 units / $8 each ((Sales): - March: 20,000 units. - November: 30,000 units. AMEER uses the "Weighted Average method". Required: If you know that AMEER uses the ((perpetual inventory system)), compute the "weighted average cost per unit" on June 30. (1.5 Points) : : : 10.556798 : 10.56 The value must be a number 20. Based on previous information about AMEER Inc. from (Question 19): Required: If you know that AMEER uses the ((periodic inventory system)) and ((FIFO Method)), compute the cost of "ending inventory". (1.5 Points) The value must be a number