Use southwest airlines’ 2016 financial statement information, below to answer the following: calculate southwest airlines’ return on assets (roa) for the year ending december 31, 2016. disaggregate southwest airlines’ roa into profit margin (pm) and asset turnover (at). explain what each ratio measures. ($ millions) total operating revenues $20,425 net income 2,244 total assets, beginning of year 21,312 total assets, end of year 23,286 equity, end of year 8,441

When a company produces and sells x thousand units per week, its total weekly profit is p thousand dollars, where upper p equals startfraction 800 x over 100 plus x squared endfraction . the production level at t weeks from the present is x equals 4 plus 2 t. find the marginal profit, startfraction dp over dx endfraction and the time rate of change of profit, startfraction dp over dt endfraction . how fast (with respect of time) are profits changing when tequals8?