Rogers, Inc., acquires 15% of Procter Corporation on January 1, 2020, for $70,000. During 2020, Procter reported net income of $180,000 and paid total dividends of $40,000. At the year end of 2020, the market value of this 15% investment indicates the value of $68,000. On January 1, 2021, Rogers purchased an additional 30% of Procter for $310,000. During 2021, Procter reported net income of $300,000 and paid dividends of $40,000. a. Prepare the January 1, 2021 entry to adjust the Equity Investment account for the additional acquisition on that date; what is the investment balance? b. Compute the balance in the Equity Investment account at December 31, 2021 (assuming there is no amortization expense since the book value of Procter is not given)