Multiple Choice
If the average price of a barrel of oil was $35 in 1990, when the CPI was 114.7 and $55 in 2019 when the CPI was 229.6, then the real cost of a barrel of oil
A) rose by 20 per cent during that period.
B) rose by 57 per cent during that period.
C) rose by 75.7 per cent during that period.
D) fell by 57 per cent during that period.
E) fell by 157 per cent during that period.
Correct Answer:

Verified
Correct Answer:
Verified
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