Which of the purchases would be the least expensive?PurchaseAmount of sale Sales tax rateA$1505%B$1457%C$1408%D$1359%

Find the total cost of each purchase by adding its sales tax. Purchase D costs $135 × 1.09 = $147.15, which is less than the totals for A ($157.50), B ($155.15), and C ($151.20).

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