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Required: a. Calculate break-even point in units and sales Dirham. b. Calculate the percentage margin of safety and operating leverage. Interpret both results. c. Compute the selling price that would have to be charged to give a profit of RM90,000 on sales of 8,000 units, fixed costs of RM60,000 and variable cost of RM10 per product. d. Calculate units that would have to be sold to earn targeted profit of RM90,000. What profit would result if 8,000 units were sold