25) Last year the price of a dozen eggs was $1, and this year the price is $1.30. Which of the
following does NOT express this price change accurately?
A) The price increased 30 percent.
B) The price increased by 30 cents.
C) If last year was the base year, the index number for this year would be 130.
D) If this year is the base year, the index number for last year would be 130.
26) Last year you purchased 20 CDs at $12 a piece, 10 shirts at $15 each, and 5 sweaters at $30
each (total spending equals $540). This year you buy 18 CDs at $15 each, 10 shirts at $16 each,
and 6 sweaters at $36 each (total spending equals $640). If last year’s index was 100, this year’s
index
A) is 119.6.
B) is 118.5.
C) is 83.6.
D) is 30.
27) In computing a price index,
A) the most recent year is always set equal to 100.
B) both the quantities in the market basket and the prices change from year to year.
C) the quantities in the market basket stay the same while the prices differ.
D) the base year must be one for which the inflation rate was zero.