The following data (in millions) are taken from the financial statements of Target Corporation, the owner of Target stores:

                                                                     Year 2                Year 1    
              Revenue                                         $72,618             $71,279
             Operating expenses                        67,857               66,320
             Operating income                           $ 4,761              $ 4,959

A. For Target, determine the amount of change in millions and the percent of change (rounded to one decimal place) from Year 1 to Year 2 for:
1. Revenue
2. Operating expenses
3. Operating income
B. What conclusions can you draw from your analysis of the revenue and total operating expenses?