National Financial​ Services, Inc. invested $ 15,000 to acquire 5,000 shares of Stonebridge​ Investments, Inc. on March​ 15, 2015. This investment represents less than 20​% of the​ investee's voting stock. On May​ 7, 2018, National Financial​ Services, Inc. sells 2,500 shares for $ 20,250. When the journal entry to record the sale is​ made, ________.
a. Gain on Disposal will be credited
b. Loss on Disposal will be debited
c. Equity Investments will be debited
d. Cash will be credited