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When converted to the value of one Australian dollar in 2020, goods and services that cost one dollar in 1966 would cost 13.60 dollars in 2019; meaning that one Australian dollar in 1966 was almost 14 times more than it is today. This data can be used to calculate how much goods and services from the years shown would cost today, by multiplying the price from then by the number shown in the graph. For example, an item that cost 50 Australian dollars in 1990 would theoretically cost 101.50 Australian dollars in 2020 (50 x 2.03 = 101.5).