Suppose That in Year 1 the Respective Prices of Yogurt,candy

Multiple Choice

Suppose that in year 1 the respective prices of yogurt,candy bars,and popcorn are $1,$2,and $3.In year 2 the unit prices of each are $2,$3,and $4,respectively.Which of the following statements is true of the price level between year 1 and year 2?

A) it doubled
B) it increased by 33 percent
C) it rose from $6 to $9
D) it went up from 106 to 109
E) it must have risen at a rate between 33 percent and 100 percent