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7. The manager of a store buys patio furniture sets for $580 each and marks them up by 40% of cost. In late August, he clears out remaining inventory at a 30% markdown. Calculate the selling price. 8. See question 7. Calculate the clearance price. 9. A store owner buys hot tubs for $2100 each and marks them up by 30% of Selling Price. In late August, he clears out remaining inventory at a 20% markdown. Calculate the selling price and markup. 10. See question 9. Calculate the clearance price