Michaels Corporation expects earnings before

Michaels Corporation expects earnings before interest and taxes to be $40,000 for this period. Assuming an ordinary tax rate of 40 percent, compute the firm's earnings after taxes and earnings available for common stockholders (earnings after taxes and preferred stock dividends, if any) under the following conditions:

a. The firm pays $10,000 in interest.

b. The firm pays $10,000 in preferred stock dividends.