n year 2, sammi corp. changes its inventory method from fifo to the weighted-average method. under the weighted-average method, the year 2 beginning inventory is $3,000 higher than 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 net income will increase. year 1 retained earnings will increase. year 1 ending inventory will decrease.