Office Plus sells its main product, ergonomic mouse pads, for $11 each. Its variable cost is $5.40 per pad. Fixed costs are $215,000 per month for volumes up to 65,000 pads. Above 65,000 pads, monthly foxed costs are $255,000. Prepare a monthly flexible budget for the product, showing sales revenue, variable costs, fixed costs, and operating income for volume levels of 45,000, 55,000, and 70,000 pads. Office Plus Flexible Budget Budget Amounts Per Unit Units 45,000 55,000 70,000 Office Plus Flexible Budget Budget Amounts Per Unit Units 45,000 55,000 70,000 Contribution Margin Fixed Costs Operating Income Sales Revenue Variable Costs