Please help me understand the right process. Thank you.

Expedia and Booking.com compete as online travel agencies. The following amounts were reported by the two companies in the three months ended June 30, 2019. Required: 1. Calculate each company's net profit margin expressed as a percent. 2. Which company has generated a greater return of profit from each revenue dollar? Complete this question by entering your answers in the tabs below. Calculate each company's net profit margin expressed as a percent. (Round your answers to 1 decimal place.)