Solve the problem.A survey of 2028 credit card users indicated that 914 had bought books online, 878 had bought music online, 448 had bought pet supplies online, 105 had bought both books and music, 182 had bought both books and pet supplies, 171 had bought both music and pet supplies, and 74 had bought all three. How many credit card users did not buy any of the three? How many bought either books or pet supplies but not music?
A. 172; 870
B. 246; 870
C. 172; 944
D. 172; 978
Answer: D
Mathematics
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