*Exercise 22-4 Windsor Company started operations on January 1, 2012, and has used the FIFO method of inventory valuation since its inception. In 2018, it decides to switch to the average-cost method. You are provided with the following information. Retained Earnings (Ending Balance) Net Income Under FIFO Under Average- Cost Under FIFO 2012 2013 2014 2015 2016 2017 $98,000 68,100 90,900 108,100 324,300 303,200 $88,100 63,600 81,500 118,200 313,800 308,200 $102,500 161,100 234,200 336,600 595,400 742,200 (a) What is the beginning retained earnings balance at January 1, 2014, if Windsor prepares comparative financial statements starting in 2014? Retained earnings, January 1 (b) What is the beginning retained earnings balance at January 1, 2017, if Windsor prepares comparative financial statements starting in 2017? Retained earnings, January 1 (c) What is the beginning retained earnings balance at January 1, 2018, if Windsor prepares single-period financial statements for 2018? Retained earnings, January 1