REI sells snowboards. Assume the following information relates to REI's purchases of snowboards during September. During the same month, 102 snowboards were sold. REI uses a periodic inventory system.

DATE. EXPLANATION. UNITS. UNIT COST. TOTAL COST

Sept 1. Inventory. 10 $107 $1,070

Sept. 12 Purchases 46 110 5,060

Sept 19 Purchases. 53 111 5,883

Sept 26 Purchases 21 112 2,352

Totals 130 $14,365

a) Compute the ending inventory at September 30 using FIFO, LIFO, and average cost. (Round average cost per unit to 3 decimal places, e.g. 125.153 and final answers to 0 decimal places, e.g. 125.)

FIFO LIFO AVERAGE COST

Ending inventory at September 30 $ $ $

b) Compute the cost of goods sold for the month using FIFO, LIFO, and average cost methods. (Round aveage cost per unit to 3 decimal places,e.g. 125.153 and final answers to 0 decimal places, e.g. 125).

FIFO LIFO AVERAGE COST

Cost of goods sold $ $ $