Sally earns $25 per hour today. Seven years ago she earned $20.75 per hour. During the seven-year period the CPI rose from 136.5 to 158.2. Has Sally's buying power increased or decreased and by how much in current year's dollars?
A) increased by $3.61
B) decreased by $3.61
C) decreased by $0.95
D) increased by $0.95
E) increased by $1.40
Correct Answer:
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