Dim Corporation purchased 1,000 shares of Witt Corporation stock in 2013 for $800 per share and classified the investment as securities available for sale. Witt's market value was $400 per share on December 31, 2014, and $300 on December 31, 2015. During 2016, Dim sold all of its Witt stock at $350 per share. In its 2016 income statement, Dim would report:

a. A loss on the sale of investments of $450,000.

b. A realized gain of $50,000.

c. A trading gain of $50,000 and an unrealized loss of $500,000.

d. A recognition of unrealized losses of $400,000.