On January 1, 20X7, Pisa Company acquired 80 percent of Siena Company by purchasing 40,000 shares of Siena's common stock. There was no differential related to this transaction. The noncontrolling interest had a fair value equal to 20 percent of book value. The book value of Siena on December 31, 20X7 was as follows: On January 1, 20X8, Pisa purchased an additional 12,500 shares directly from Siena for $25 per share. The ending balance in Additional Paid-In Capital would be: one of the answer below.

$0 $187,500 $312,500 $125,000