(L01) (Various Changes in Principle—Inventory Methods) Below is the net income of Anita Ferreri Instrument Co., a private corporation, computed under the three inventory methods using a periodic system.

FIFO Average-Cost LIFO 2015 $26,000 $24,000 $20,000 2016 30,000 25,000 21,000 2017 28,000 27,000 24,000 2018 34,000 30,000 26,000 Instructions

(Ignore tax considerations.)

(a) Assume that in 2018 Ferreri decided to change from the FIFO method to the average-cost method of pricing inventories.

Prepare the journal entry necessary for the change that took place during 2018, and show net income reported for 2015, 2016, 2017, and 2018.

(b) Assume that in 2018 Ferreri, which had been using the LIFO method since incorporation in 2015, changed to the FIFO method of pricing inventories. Prepare the journal entry necessary to record the change in 2018 and show net income reported for 2015, 2016, 2017, and 2018.