Product Quantity A 10 B 15 C 8 Average Price Per Unit Year 1 Year 2 $10 $8 20 22 50 55 Consumers in an economy buy only three general types of products, A, B, and C. Changes in the prices of these items over a pe above. Using year 1 as the base year, the country's price index in year 2 is: D B) 105.2 A) 100.0 [ C) 106.3 O D) 103.9