1. The following merchandise inventory transactions occurred during the month of November, 2021 for Grantson Company.

November 1 10 14 20 25 27 30

Inventory on hand, 700, units, $25 each. Purchased 900 units, $28 each. Sold 800 units, $50 each. Purchased 600 units, $30 each. Sold 1,200 units, $53 each. Purchased 800 units, $32 each. Sold 400 units, $55 each.

Required: Calculate the cost of goods sold for the month of November, 2021 and the ending inventory at November 30, 2021, using the periodic inventory system, and each of the following cost methods: (1) First-in, First-out (FIFO); (2) Last-in, First-out (LIFO); and (3) Weighted Average. (15 pts.)