A dining set is priced at $785. If the sales tax is 7 percent, what is the cost to purchase the dining set? Round to the nearest cent if necessary.

Find the sales tax by calculating 7% of $785: 0.07 × $785 = $54.95. Add the tax to the original price: $785 + $54.95 = $839.95. The total cost is $839.95, choice C.

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