The master budget at Monroe Manufacturing last period called for sales of 42,000 units at $42 each. The costs were estimated to be $26 variable per unit and $524,000 fixed. During the period, actual production and actual sales were 45,000 units. The selling price was $41 per unit. Variable costs were $28 per unit. Actual fixed costs were $515,000. Required: Prepare a flexible budget for Monroe Manufacturing. Monroe Manufacturing Flexible Budget Sales revenue Variable costs Contribution margin Fixed costs Operating profit $ $ 0 0