On sep 15, 2020 cox corp declared and issued a 40% stock dividend. prior to this dividend cox has 10k shares of 5 par value and outstanding. the market price of Cox's common stock on Sep 15 was $12 per share. As a result of this stock dividend by how much will retained earning account increase or decrease?

a. -20k

b. -50k

c. 0

d. -48k

e. -120k