Leslie is offered a job in Vancouver that pays $50 000. She is also offered a job in Halifax that pays $60 000. Which of the following sets of CPIs comes closest to giving both salaries the same purchasing power? Select one: O 83.3 in Vancouver and 100 in Halifax O 100 in Vancouver and 124.5 in Halifax O 89.3 in Vancouver and 100 in Halifax O 100 in Vancouver and 140 in Halifax