
Answer:
a. Net income for 2021 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â $1,600,000
Less: Preferred dividends                      $120,000  (40000*$3)
Net income for Common Stockholders           $1,480,000
Divide by Common Shares outstanding          600,000
Basic Earnings per share for 2021 Â Â Â Â Â Â Â Â Â Â Â Â Â Â $2.47 Â Â Â
b. If company's preferred stock were convertible into common stock, diluted earnings per shares will also have to be calculated.