Please give me answer in little explanation as soon as possible as i have only 20 mint. To answer this ques.

15 marks, 3 parts For each of the following, state whether the statements are true, false or uncertain, and then provide your explanation using concepts from this course. All marks are reserved for the explanation. a) The percentage change in the Consumer Price Index tracks changes in an average urban consumer's actual spending over time. (5 marks) b) Suppose there was a large decrease in the number of employed people last month. Given this information, explain whether the following statement is true, false or uncertain: this means that the unemployment rate must have risen. (5 marks) c) Seema has two job offers. One job, in Toronto, offers her an after-tax salary of $115,000 annually. The other job, in Calgary, offers her an after-salary of $100,000 annually. The CPI in Toronto is 110 and the CPI in Calgary is 100. Given this information, explain whether the following statement is true, false or uncertain: if Seema only cared about how much she can afford of the goods and services she typically buys, she must choose Toronto