Inventory Costing Methods-Perpetual Method Shiloh Company uses the perpetual inventory system for its merchandise inventory. The June 1 inventory for one of the items in the merchandise inventory consisted of 60 units with a unit cost of $80. Transactions for this item during June were as follows:

June	5	Purchased	40	units @	$90 per unit
	13	Sold	50	units @	130 per unit
	25	Purchased	30	units @	92 per unit
	29	Sold	20	units

Required a. Calculate the cost of goods sold and the ending inventory cost for the month of June using the weighted-average cost method. Do not round until your final answers. Round to the nearest dollar. b. Calculate the cost of goods sold and the ending inventory cost for the month of June using the first-in, first-out method. c. Calculate the cost of goods sold and the ending inventory cost for the month of June using the last-in, first-out method.