Question 5 ([2+ 3] + 2 = 7 marks) a) The owner of a supermarket in Bankstown recorded the price for its three most popular items as well as number of units of each consumed by a typical family for the years 2015 and 2021. Item 2015 Price 2021 Price 2015 Quant 2021 Quant Coke (2L Bottle) 2.10 2.40 100 130 Bread (Loaf) 2.58 2.75 40 40 Milk (2L Bottle) 2.16 2.30 10 15 i) Find the simple aggregate price index for 2021, taking 2015 as the base year. ii) Find the Paasche index for 2021, taking 2015 as the base year. b) The price of a small cup of coffee in 2012 was $3.10. What should be the price of a small cup of coffee in 2015 to keep up with the effects of inflation? The CPI for 2012 is 102.3 while the CPI for 2015 is 108.9