This is a practice question I am having difficulty in, my teacher said similar questions will be on test so can you please explain steps aswel

Exercise 12-11 Allocating dividends between common and cumulative preferred shares L05 The outstanding share capital of Sheng Inc. includes 43,000 shares of $9.60 cumulative preferred and 78,000 common shares, all issued during the rst year of operations. During its rst four years of operations, the corporation declared and paid the following amounts in dividends: Year Total Dividends Declared 2018 ..................................... $ -0- 2019 ..................................... 440,000 2020 ..................................... 1,058,000 2021 ..................................... 440,000 Determine the total dividends paid in each year to each class of shareholders. Also determine the total dividends paid to each class over the four years