QP Corp. sold 5,420 units of its product at $45.80 per unit in year 2015 and incurred operating expenses of $6.80 per unit in selling the units. It began the year with 680 units in inventory and made successive purchases of its product as follows.

Jan.	1	Beginning inventory	680 units	@ $18.80 per unit
Feb.	20	Purchase	1,580 units	@ $19.80 per unit
May	16	Purchase	780 units	@ $20.80 per unit
Oct.	3	Purchase	480 units	@ $21.80 per unit
Dec.	11	Purchase	3,380 units	@ $22.80 per unit
		Total	6,900 units

Required:

1.	Prepare comparative income statements for the three inventory costing methods of FIFO, LIFO, and weighted average which includes a detailed cost of goods sold section as part of each statement. The company uses a periodic inventory system, and its income tax rate is 40%.(Round your average cost per unit to 2 decimal places.)