A manufacturer's contribution margin income statement for the year follows. Prepare contribution margin income statements for each f the three separate cases below: 1. The 11,000 units sold and produced increases to 11,500 units and fixed costs increase by $5,200. 2. Unit selling price decreases by 5% and units sold and produced increase by 8%. Hint: A unit increase has both a sales and costs improct. 3. Fixed costs increase by $20,200, variable custs per unit decrease by $2, and units sold and produced increase by 500 , 1. The 11,000 units sold and produced increases to 11,500 units and fixed costs increase by \begin{tabular}{|l|l|} \hline \\ \hline Contribution margin \\ \hline 2. Unit selling price decreases by 5% and units sold and produced increase by 8%. \\ \hline \\ \hline \\ \hline \end{tabular}