Pharoah Orthotics Company distributes a specialized ankle support that sells for $$40.$ The company's variable costs are $$30$ per unit; fixed costs total $$360000$ each year. Calculate contribution margin ration. If sales increase by $$57000$ per year, by how much should operating income increase? Last year, Pharoah sold $38000$ ankle supports. The company's marketing manager is convinced that a $10\%$ reduction in sales price, combined with $$48000$ increase in advertising. Will result in a $36\%$ increase in sales volume over last year.