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A theory asserts that manufacturers are less willing to sell units of output as the price of a good decreases, ceteris paribus. However, as the price of computers fell throughout the 1990s, more computers were solD. Which of the following best explains the apparent conflict between theory and data?
A.
The theory must be invaliD.
B.
The theory rests on assumptions that are too simplisti
C.
It is likely that variables other than the price and quantity of computers sold were changing.
D.
All variables other than the price and quantity of computers sold were unchange