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Which of the following is true of purchasing power?
A. Products and services should hold different costs universally in the world upon converting the value to adjust for the rate of inflation.
B. Products and services should hold different costs universally in the world upon converting the value to a common currency via exchange rate.
C. Products and services should hold the same cost universally in the world upon converting the value to adjust for the rate of inflation.
D. Products and services should hold the same cost universally in the world upon converting the value to a common currency via exchange rate.