The Calculus of Convenience

Another way to look at this, however -- and the way I prefer to look at it -- is to see how much time I'm saving, and how that applies to the cost of the microwave. 71 per hour -- and it is. -- then the microwave is a good deal. So, if I think I'll save 1000 minutes during the first year of owning the microwave, that's nearly 17 hours that I've recovered. 71 per hour.

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