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Eleanor no longer needs her old stereo system. She pays $10 to post an ad in the local paper: "FREE stereo system-you haul." Kevin needs a stereo
system for his new home. He spots the ad and rents a van for $60 an hour in order to haul the stereo system. Kevin earns $18 per hour as a loan
officer. He takes an hour off work in order to pick up the stereo system.
The transaction costs associated with this exchange are: