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Multiproduct, Contribution Margin Ratio (LO 4) Wilde Home & Garden is organized into three departments. The following sales and cost data are available for the prior year: What is the weighted average contribution margin ratio? Round to four decimal places. What level of sales is needed to earn a profit of $600,000 assuming the current mix? (Round to the nearest dollar.) Wilde Home & Garden places an advertisement in the local paper each week. All else equal, which department would you emphasize in the advertisement? (Round to two decimal places.)