Krol Crop. distributed marketable securities in redemption of its stock in a complete liquidation. On the date of distribution, these securities had a basis of $100,000 and a fair market value of $150,000. What gain does Krol have as a result of the distribution?
a. 1. 80
b. $50,000 capital gain 

c. $50,000 Section 1231 gain

d. $50,000 ordinary gain