Suppose the Respective Prices of Yogurt,candy Bars,and Popcorn in Year

Multiple Choice

Suppose the respective prices of yogurt,candy bars,and popcorn in Year 1 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 decreased by 20 percent.
B) It increased by 33 percent.
C) It increased from $6 to $9.
D) It decreased at a rate between 20 percent and 50 percent.
E) It increased at a rate between 33 percent and 100 percent.