Scenario 13-11Walter builds birdhouses. He spends $5 on the…
Scenario 13-11Walter builds birdhouses. He spends $5 on the materials for each birdhouse. He can build one in 30 minutes. He is semi-retired but earns $8 per hour at the local hardware store. He can sell a birdhouse for $20 each. Refer to Scenario 13-11. An economist would calculate the total cost for one birdhouse to be
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