Solve the problem.Among a group of 71 investors, 22 owned shares of Stock A, 28 owned shares of Stock B, 39 owned shares of Stock C, 12 owned shares of both Stock A and Stock B, 13 owned shares of Stock A and Stock C, 18 owned shares of Stock B and Stock C, and 8 owned shares of all three. How many investors did not have shares in any of the three? How many owned shares of either Stock A or Stock C but not Stock B?
A. 17; 29
B. 25; 21
C. 17; 21
D. 17; 26
Answer: D
Mathematics
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