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4. The Omate Company has the following information pertaining to the month of March: Units of output, actual 21,000 Fixed costs, actual 497,000 Operating profit, master budget 220,000 Sales price variance Beginning and ending inventories $ Sales volume variance, revenue Budgeted selling price per unit $ $1,680,000 Variable costs, master budget $ 516,000 Contribution margin, actual Required: Prepare a performance report for March including columns for the (a) actual results, (b) flexible budget, (c) flexible budget variance, (d) master budget, and (e) sales activity variance. $ $ $ 84,000 U 0 300,000 U 100