Q1. CPI Sarah's income John's income Linda's income 2019 154 $70,000 565.000 $68,000 2020 185 574,000 574,000 $70,000 2021 192 581,000 578,000 $76,000 a) Calculate the annual inflation rate between 2019 and 2020. b) Calculate the annual inflation rate between 2020 and 2021. c) Calculate the inflation rate between 2019 and 2021. d) Calculate Sarah's Real Income in 2019 and 2020. Is she better off or worse off? Explain briefly. e) Calculate John's Real Income in 2020 and 2021. Is he better off or worse off? Explain briefly. f) Calculate Linda's Real Income in 2019 and 2021. Is she better off or worse off? Explain briefly. Q2 Market Basket Price per unit (2010) Price per unit (2020) 20 kg of rice TK. 70 per kg TK. 90 per kg 5 pairs of shoes TK. 800 per pair TK. 1,200 per pair 10 loafs of bread TK. 120 per loaf Tk. 130 per loaf 4 shirts Tk. 500 per shirt TK. 650 per shirt 12 dozen bananas TK. 100 per dozen TK. 120 per dozen i) Calculate the CPI for the year 2020. ii) Using your answer in part (i) above, calculate the inflation rate between 2010 and 2020