Refer to Practice 20-5. Compute 1. The retrospectively recalculated Retained Earnings balances as of December 31, 2009,

Question:

Refer to Practice 20-5. Compute
1. The retrospectively recalculated Retained Earnings balances as of December 31, 2009, and December 31, 2010, and
2. The Retained Earnings balance as of December 31, 2011, after the change to FIFO is made. Note that the company does not pay dividends.