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A manufacturer's contribution margin income statement for the year follows. Prepare contribution margin income statements for each of the three separate cases below. 1. The 11,000 units produced and sold increases to 11,500 units and fixed costs increase by $5,200. 2. Unit selling price decreases by 5% and units produced and sold increase by 8%. Hint: A unit increase has both a sales and costs. impact. 3. Fixed costs increase by $20,200, variable costs per unit decrease by $2, and units produced and sold increase by 500 . 1. The 11,000 units produced and sold increases to 11,500 units and fixed costs increase by