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XYZ company has the following information: 800 sales units resulting in S.R 8,000 of revenue, S.R 3,000 of variable costs, and S.R 1,000 of fixed costs. Determine the following (show your calculation): 1. Contribution margin per unit? 2. Variable cost per unit? Use the editor to format your answer Question 2 6 Points ABC company has the following information: Fixed costs: S.R 18,000, unit contribution margin S.R 24, and the number of units sold equal 1800. Determine the following (show your calculation) 1. Operating Income? 2. Variable cost ratio if sales revenue equals: S. 54000. 3. Degree of operating leverage? Use the editor to format your answer Question 3 6 Points Mohammed Company has the following information: number of unit sold 7000, selling price: s.r 24, variable cost per unit: Direct material: s.r 5Direct labor: s.r 1.9, manufacturing overhead: s.r 0.2, and selling cost: s.r 3, annual fixed cost 150000. Determine the following (show your calculation): 1. Operating Income? 2. contribution margin ration? 3. If manufacturing overhead and selling cost increase by s.r 1 each, find the increase or decrease in contribution margin