operation, the corporation declared and paid the following total cash dividends. The total amount of dividends paid to preferred and common shareholders over the three-year period is: Multiple Choice $6,400 preferred; $46,400 common. $19,200 preferred; $33,600 common. $12,800 preferred; $40,000 common. $16,400 preferred; $36,400 common. $15,600 preferred; $37,200 common