Linden Corporation started operations on January 1,2012, and has used the FIFO cost formula since its inception. In 2021, it decides to switch to the weighted average cost formula. You are provided with the following information. Anwer the following. ignoring income taxconsiderations. What is the beginning retained earnings balance at January 1,2017, if Linden prepares comparative financial statements starting in 2017? Beginning retained earnings balance, January 1, 2017 What is the beginning retained earnings balance at January 1, 2020, if Linden prepares comparative financial statements starting in 2020? Beginning retained earnings balance, January 1,2020 What is the beginning retained earnings balance at January 1, 2021, if Linden prepares single-period financial statements for 2021? Beginning retained earnings balance, January 1, 2021 What is the net income reported by Linden in the 2020 income statement if it prepares comparative financial statements starting in 2018