A firm has an equity multiplier of one and total assets of $300. If its return on equity is 10%, what is its net income? O $15.00 o $10.00 0 $30.00 O $22.50 0 $7.50 Assume a firm has a book value of assets equal to four times the book value of owner's equity. Sales are ten times owner's equity. The profit margin is two percent. What is the firm's ROA? O twenty-five percent O five percent o eight percent O ten percent O twenty percent You need $2,000 to buy a new stereo for your car. If you have $800 to invest at 14.94% compounded annually, how long will you have to buy the stereo? (You might want to stay abreast of new technologies!) 0 6.58 years. O 8.42 years. 0 14.58 years. 0 15.75 years. O 18.78 years