Inventory cost flow assumptions

Watkins Corporation began operations on January 1, 2010. The 2010 and 2011 schedules of inventory purchases and sales are as follows:

2010:

Purchase 1

10 units @ $10 per unit

$100

Purchase 2

20 units @ $12 per unit

240

Total purchase costs

Sales

15 units @ $30 per units

$450

2011:

Purchase 1

10 units @ $13 per units

$130

Purchase 2

15 units @ $15 per units

225

Total purchase costs

$355

Sales

20 units @ $35 per units

$700

Complete the following schedule, and briefly discuss the trade-offs associated with choosing an inventory cost flow assumption.

2010

FIFO

Weighted Average

LIFO

Cost of goods sold

Gross profit (Sales – COGS)

Ending inventory

2011

FIFO

Weighted Average

LIFO

Cost of goods sold

Gross profit (Sales – COGS)

Ending inventory