Making burgers is the activity; getting rich is still the first motivation. Besides, I'm not sure Ray Kroc is the best example, and I doubt he personally made a

Making burgers is the activity; getting rich is still the first motivation. Besides, I'm not sure Ray Kroc is the best example, and I doubt he personally made a lot of burgers; he bought the national franchise rights to the McDonald's restaurant chain after it was well established, and set about getting rich by making a more efficient burger-restaurant process.