Economics Suppose US Air has two classes of potential customers, holiday travellers and business travellers. There are 100 of each type of customer. Economy class Business class Willingness to pay - $200 $250 Holiday travellers Willingness to pay - $250 $800 Business travellers Marginal cost per $100 $150 passenger If US Air it can provide only one class of travel at one price, then the profit maximising class of travel is [ Select ] , charging a price of [ Select ]