In year $2,$ Rogers Corp. changes its inventory method from FIFO to the weighted$-$average method. Under the weighted$-$average method, the year $2$ beginning inventory is $$5,000$ lower than under the FIFO method. The financial statements are revised using the retrospective approach. What are the financial statement effects of the change in accounting principle? $($Select all that apply.$)$

Multiple select question.

Year $1$ ending inventory will decrease.

Year $1$ net income will decrease.

Year $1$ retained earnings will increase.

Year $1$ ending inventory does not change.