PainFree sells its main product, ergonomic mouse pads, for $13 each. Its variable cost is $5.20 per pad. Fixed costs are $220,000 per month for volumes up 6665,000 pads. Above 65,000 pads, monthiy fixed costs are $250,000. Prepare a monthly flexible budget for the product showing salos revenco, variable costs, ficod costs, and operating income for volume levels of 45,000 , 55 , 000, and 70,000 pads