On January 2, 2017, Humpty Corporation purchased 12% of Ranger Corporation's common stock for $50,000 buying 30,000 shares. Ranger's net income for teh year ended December 31, 2017 was $100,000. During 2017, Ranger declared and paid a dividend of .60 per share. The fair value of the Ranger stock owned by Humpty had increased to $70,000 on December 31, 2017. How much will Humpty's 2017 net income increase due to their investment in Ranger?

a) 138,000

b) 18,000

c) 20,000

d) 38,000