Answer:
D. Weighted-average common shares outstanding for the year.
Explanation:
The formula to compute the earning per share is shown below:
Earning per share = (Net income - preference dividend) ÷ (Weighted-average common shares outstanding for the year)
Weighted average is come after considering the beginning year shares and ending year shares and then divide it by 2
By using this formula, the correct earning per share can come.
Hence, all other options are wrong except d.