Show the hotel's cost structure by indicating the percentage of the hotel's revenue represented by each item on the income statement. Use the following information for the Exercises below. [The following information applies to the questions displayed below.] A contribution income statement for the Nantucket Inn is shown below. (Ignore income taxes.) What is the hotel's operating leverage factor when revenue is $500,000 ? Use the operating leverage factor to calculate the increase in net income resulting from a 20 percent increase in sales revenue. Suppose the hotel's revenue declines by 15 percent. Use the contribution-margin percentage to calculate the resulting decrease in net income