Answer:
2011 Value of investment in Mayfair
= Beginning investment value + Portion of Mayfair net income - Portion of Mayfair dividends
= 5,700,000 + (40% * 2,250,000) - (300,000 shares * 0.15)
= $6,555,000
2012 Value of investment
= Beginning investment value + Portion of Mayfair net income - Portion of Mayfair dividends
= 6,555,000 + (40% * -180,000) - (300,000 * 0.15)
= $6,438,000