Question is based off of base year

Please help and explain please

% change 1.4 4.1 2.0 1.4 -6.0 CPI Expenditure category Index Sept. Sept. 2019 2020 All items (total) 256.76 260.28 Food and non-alcoholic beverages 241.54 251.37 Alcoholic beverages 253.26 257.73 Housing 320.57 327.12 Energy and utilities 204.66 207.45 Apparel 127.01 119.55 Transportation (vehicle, air & 324.72 308.14 transit fares) Vehicles 145.85 147.36 Motor fuel 232.66 196.76 Vehicle insurance 569.11 540.49 Airline fares 263.15 197.42 Medical services 540.81 567.53 College tuition 867.02 873.20 Textbooks 235.33 235.05 Services (non-medical) 339.38 345.88 -5.1 1.0 -27.2 -5.0 -25.0 4.9 0.1 -0.1 1.9 Base year: 1982-84 (purchasing power of consumer dollar = $1.00 in 1982-84) The base year for these index numbers was 1982-84, when all index numbers were equal to 100. When the index increases, there is inflation. Which of the following categories of spending has had the highest rate of inflation since 1982-84? tuition medical services incorrect, try again food and beverages housing airline fare Which of the following categories of spending has had the lowest rate of inflation since 1982-84? apparel airline fare incorrect, try again medical services textbooks