Swifty Corp. had $100,000 of 7%, $20 par value preferred stock and 12,000 shares of $25 par value common stock outstanding throughout 2020.

Assuming that total dividends declared in 2020 were $64,000, and that the preferred stock is not cumulative but is fully participating, common stockholders should receive 2020 dividends of what amount?

Assuming that total dividends declared in 2020 were $64,000, and that the preferred stock is fully participating and cumulative with preferred dividends in arrears for 2019, preferred stockholders should receive 2020 dividends totaling what amount?

Assuming that total dividends declared in 2020 were $30,000, that the preferred stock is cumulative, nonparticipating, and was issued on January 1, 2019, and that $5,000 of preferred dividends were declared and paid in 2019, the common stockholders should receive 2020 dividends totaling what amount?