14. Jay Sharp Guard wants to compare the accuracy of two methods that it has used to forecast monthly expenses. Forecasts of monthly expenses from September to November are shown below against the actual expenses. Which method provided best-forecast accuracy?

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Month Expenses (million) Method A forecasts (million) Method B forecasts (million) Sep 3 3.5 3.1 Oct 4 4.1 3.8 Nov 5 5.3 5.1