No, you can't decide that you can afford $10 million for concrete so that's what you'll spend. You figure out what it costs, then you figure out how much money

No, you can't decide that you can afford $10 million for concrete so that's what you'll spend. You figure out what it costs, then you figure out how much money you can make from the building, then you decide whether you can build it.dddd The steak example is different because the steak has a price tag on it.