Multiple Choice
Suppose the demand for widgets is given by QD = 100 - 5p - pd + 2I,where I is average consumer income,p is the price of lemons,and pd is the price of doodads.According to this equation,doodads are a(n) ________ for widgets.
A) substitute
B) complement
C) input
D) None of the above.
Correct Answer:

Verified
Correct Answer:
Verified
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