Office Plus sells its main product, ergonomic mouse pads, for $11 each. Its variable cost is $5.10 per pad. Fixed costs are $205,000 per month fo up to 65,000 pads. Above 65,000 pads, monthly fixed costs are $275,000. Prepare a monthly flexible budget for the product, showing sales reven variable costs, fixed costs, and operating income for volume levels of 45,000,50,000, and 75,000 pads