Concept:Margin means profit as a fraction of sales: Margin=SalesProfit.Explanation:Given margin =52, profit is 52 of sales.So, cost of sales =Sales−Profit.Thus, cost of sales =Sales−52Sales=53Sales.Cost of sales is 120,000.Therefore, 53×Sales=120,000.Sales=120,000×35=200,000.Answer:Sales =$200,000.Correct option: C.