Answer:
Wolfe Company
The amount of:
                                       LIFO         FIFO    Weighted Average
Ending inventory      $50,500    $65,100        $58,005
Cost of goods sold  $113,200   $98,600       $105,698
Explanation:
a) Data and Calculations:
Date Transaction             Number of units   Unit Cost   Cost Value
1/1     Beginning inventory             2,000        $22.00    $44,000
4/12  Purchase No. 1                      2,300        $26.00      59,800
7/11   Purchase No. 2                        800        $28.00      22,400
10/5 Purchase No. 3                      1,250        $30.00      37,500
Total inventory available              6,350                       $163,700
Wolfe sold                                      4,100
Ending Inventory                          2,250
LIFO
Ending Inventory = $50,500 (250 * $26 + 2,000 * $22)
Cost of goods sold: 
4/12  Purchase No. 1                      2,050        $26.00      53,300
7/11   Purchase No. 2                        800        $28.00      22,400
10/5 Purchase No. 3                      1,250        $30.00      37,500
Total cost of goods sold =            4,100                        $113,200
FIFO:
Ending Inventory = Cost of goods available for sale - Cost of goods sold
= $65,100 ($163,700 - $98,600)
Cost of goods sold:
 1/1     Beginning inventory             2,000        $22.00    $44,000
4/12  Purchase No. 1                      2,100        $26.00        54,600
Total cost of goods sold = $98,600
Weighted average:
Weighted average cost = $25.78 ($163,700/6,350)
Ending inventory = $58,005 (2,250 * $25.78)
Cost of goods sold = $105,698 (4,100 * $25.78)