> Why are you comparing 12 weeks with the entire 2017 revenue?

They aren't. They're comparing to revenue per hour. It doesn't matter what period of time you calculate revenue per hour with, you always get the same number.

They're comparing 12 weeks of warehouse work to revenue per hour. Why twelve weeks? It still makes no sense.

Just trying to put some reasonable bounds on this estimate. I assumed 12 weeks is "the holiday shopping season" where Amazon has a lot of extra workers who would benefit. And I guessed 250k of them getting $3 raises. You could also guess at the total cost in other ways, many of which would be superior.

The overall goal of these lazy estimates is to understand how significant a cost this is for a company like Amazon. Could activists have hoped for more? Are other companies, for whom the costs would be felt quite differently, likely to offer something similar?

You have to use some amount of time to get a number measured in dollars. What amount of time do you want to use?

Think of it like this, 12 weeks of extra labour cost is offset by 17.7 revenue hours, you could also say 1 weeks extra labour cost is the equivalent of just under 1.5 revenue hours.

12 weeks is (approximately) a business quarter. Corporate finances are most commonly aggregated across a quarterly schedule.

I'm not making the argument that this is peanuts. Maybe it is, maybe it isn't. I'm just trying to get some perspective on the scale here, relative to other things vying for the time and attention of Amazon's management.

so multiply the number by 4ish to get the whole year?

In any case, it's not clear that revenue hours is a meaningful comparison anyway because it ignores how much of their cost is labor vs anything else.