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ErgoNow sells its main product, ergonomic mouse pads, for $11 each. Its variable cost is $5.10 per pad. Fixed costs are $215,000 per month for volumes up to 65,000 pads. Above 65,000 pads, monthly fixed costs are $265,000. Prepare a monthly flexible budget for the product, showing sales revenue, variable costs, fixed costs, and operating income for volume levels of 45,000,50,000, and 75,000 pads