NetSpace, Inc. has annual sales of $687,400, total debt (total liabilities) of $290,000, total equity of $343,000, and a net profit margin of 4.5 percent. What is the firm's return on assets? [Enter your answer as a percent, shown to one decimal place. For example, if your answer is 17.82% (or.1782 in decimal form) enter your answer s 17.8. You do not need to enter a percent symbol (%).] Your