Corporate reorganizations(taxation)

Prior to the transaction described below, B, an individual, owns 900 shares (100%) of P Co. A's basis in his T Co. stock is 20. T transfers all of its assets to P. P transfers 100 shares of its stock worth 200 and 10 cash to T which then liquidates. T has accumulated E&P of 20. P has accumulated E&P of 200.

What is the treatment to A?