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.
B
Economics
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