QP Corporated sold 5,360 units of its product at $46.40 per unit during the year and incurred operating expenses of $7.40 per unit in selling the units. It began the year with 740 units in inventory and made successive purchases of its product as follows. Required: 1. Prepare comparative year-end 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. Note: Round your average cost per unit to 2 decimal places and round your final answers to nearest whole dollar amount