Periodic inventory by three methods The beginning inventory for Midnight Supplies and data on purchases and sales for a three-month period are shown below: Number
Date Transaction of Units Per Unit Total
Jan. 1 Inventory 7,500 $75.00 10
Purchase 85.00 22,500 11,250
28 Sale $562,500 1,912,500 1,687,500
562,500 150.00 30 Sale 3,750 150.00
Feb. 5 Sale 1,500 150.00 225,000
10 Purchase 54,000 87.50 4,725,000
16 Sale 27,000 160.00 4,320,000
28 Sale 25,500 160.00 4,080,000
Mar. 5 Purchase 45,000 89.50 4,027,500
14 Sale 30,000 160.00 4,800,000
25 Purchase 7,500 90.00 675,000
30 Sale 26,250 160.00 4,200,000
1. Determine the inventory on March 31 and the cost of merchandise sold for the three-month period, using the first-in, first-out method and the periodic inventory system.
2. Determine the inventory on March 31 and the cost of goods sold for the three-month period, using the last-in, first-out method and the periodic inventory system.
3. Determine the inventory on March 31 and the cost of goods sold for the three-month period, using the weighted average cost method and the periodic inventory system.
4. Compare the gross profit and the March 31 inventories, using the following column headings.

1. We have:

Inventory on March 31 = $1,010,625

Cost of merchandise sold for the three-month period = $10,891,875

2. We have:

Inventory on March 31 = $881,250

Cost of merchandise sold for the three-month period = $11,021,250

3. We have:

Inventory on March 31 = $980,975.27

Cost of merchandise sold for the three-month period = $10,921,524.73

4. We have:

Details                               FIFO               LIFO                Weighted Average

                                              $                     $                                 $

Sales                            19,875,000      19,875,000                 19,875,000

Cost of Goods sold    (10,891,875)      (11,021,250)                 (10,921,525)  

Gross Profit                  8,983,125        8,853,750                     8,953,475

Inventory, March 31       1,010,625           881,250                      980,975

Explanation:

1. Determine the inventory on March 31 and the cost of merchandise sold for the three-month period, using the first-in, first-out method and the periodic inventory system.

Note: See part 1 of the attached excel file for the determined inventory on March 31 and the cost of merchandise sold for the three-month period, using the first-in, first-out method and the periodic inventory system.

From the part 1 of the attached excel file, we have:

Inventory on March 31 = $1,010,625

Cost of merchandise sold for the three-month period = $10,891,875

2. Determine the inventory on March 31 and the cost of goods sold for the three-month period, using the last-in, first-out method and the periodic inventory system.

Note: See part 2 of the attached excel file for the determined inventory on March 31 and the cost of merchandise sold for the three-month period, using the last-in, first-out method and the periodic inventory system.

From the part 2 of the attached excel file, we have:

Inventory on March 31 = $881,250

Cost of merchandise sold for the three-month period = $11,021,250

3. Determine the inventory on March 31 and the cost of goods sold for the three-month period, using the weighted average cost method and the periodic inventory system.

Note: See part 3 of the attached excel file for the determined inventory on March 31 and the cost of merchandise sold for the three-month period, using the weighted average cost method and the periodic inventory system.

From the part 3 of the attached excel file, we have:

Inventory on March 31 = $980,975.27

Cost of merchandise sold for the three-month period = $10,921,524.73

4. Compare the gross profit and the March 31 inventories, using the following column headings.

Details                               FIFO               LIFO                Weighted Average

                                              $                     $                                 $

Sales                            19,875,000      19,875,000                 19,875,000

Cost of Goods sold    (10,891,875)      (11,021,250)                 (10,921,525)  

Gross Profit                  8,983,125        8,853,750                     8,953,475

Inventory, March 31       1,010,625           881,250                      980,975

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