it to compute the average inflation rate for this hypothetical complete market basket. LO7-1 Unit Price Item Weight Percentage (calculated in Inflation Item Last Year This Year Change in Price x Problem 8) = Impact Coffee $ 7 $ 14 Tuition 4,000 4,500 Pizza 10 12 Streaming TV 30 36 Vacation 350 300 Average inflation: 0. Use the item weights in Figure 7.2 to determine the percentage change in the CPI that would result from a(n) LO7-1 (a) 20 percent increase in entertainment prices. (b) 8 percent decrease in transportation costs. (c) Doubling of clothing prices. (Note. Review [ Table 7.4 for assistance. )