The 120 Consumers Were Asked About Their Buying Preferences Concerning

Multiple Choice

The 120 consumers were asked about their buying preferences concerning another product that is sold in the market under three labels. The results were ​
12 buy only those sold under label A.
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24 buy only those sold under label B.
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27 buy only those sold under label C.
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14 buy only those sold under labels A and B.
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9 buy only those sold under labels A and C.
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11 buy only those sold under labels B and C.
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7 buy the product sold under all three labels.
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How many of the consumers surveyed buy the product sold under none of these labels?
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A) 81
B) 16
C) 12
D) 32
E) 104