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Penny Is Piano Teacher and Dan Is a Tile Layer

Question 129

Multiple Choice

Penny is piano teacher and Dan is a tile layer.If Penny teaches Dan's daughter to play the piano in exchange for Dan tiling her kitchen floor,


A) only Penny is made better off by trade.
B) only Dan is made better off by trade.
C) both Penny and Dan are made better off by trade.
D) neither Penny nor Dan are made better off by trade.

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