P Company acquired an 80% interest in S Company on January 1, 2011, for an amount equal to book value. S Company sold land to P Company in 2011 at a profit of P5,000. The land is held by the buying affiliate firm until 2013, when it is sold to an unaffiliated party for a profit of P6,000. S Company reported net income for 2011, 2012, and 2013 of P30,000, P40,000 and P50,000, respectively. The parents investment income for 2011 would be?

A. P 24,000

b. P 28,000

c. P 44,000

d. P 20,000