Information related to the common shares of Empresas ABC for the year 2019 is presented below: January 1 - opening balances: 2,000,000 authorized, 402,000 issued, and 400,000 outstanding March 1 - Sells 15,000 authorized common shares, not previously issued June 1 - Declare and distribute a 10% stock dividend to outstanding shares November 1 - Declares a 2: 1 stock-split-up December 1 - sell (issue) 1,000 portfolio shares below cost Determine the total number of common shares outstanding as of December 31, 2019

a. 914,000 shares

b. 229,250 shares

c. 912,000 shares

d. 399,000 shares