Adriana Corporation manufactures football equipment. In planning for next year, the managers want to understand the relation between activity and overhead costs. Discussions with the plant supervisor suggest that overhead seems to vary with labor-hours, machine-hours, or both. The following data were collected from last year's operations, Month Labor-Hours Machine Hours 1 715 1,346 715 1,484 3 680 1,512 735 1,459 280 1,598 760 1,569 7 740 1,386 720 1,309 9 715 1,453 10 795 1,550 11 1,288 12 705 1,616 Overhead Costs $ 102,685 103,850 109,859 188,250 116,216 114,479 107,064 102,077 106,430 113, 143 101,393 114,841 675 Required: a. Use the high-low method to estimate the fixed and variable portions of overead costs based on machine-hours b. Managers expect the plant to operate at a monthly average of 1,500 machine-hours next year. What are the estimated monthly overhead costs, assuming no inflation Complete this question by entering your answers in the tabs below. Required A Pequired Use the high-low method to estimate the food and variable portions of overhead costs based on machine-hours. (Round Variable cout" answer to 2 decimal places.) Variable cost per machine hour Fedot Required: o. Use the high-low method to estimate the fixed and variable portions of overhead costs based on machine-hours. b. Managers expect the plant to operate at a monthly average of 1,500 machine-hours next year. What are the estimated monthly overhead costs, assuming no inflation? Complete this question by entering your answers in the tabs below. Required A Required B Managers expect the plant to operate at a monthly average of 1,500 machine-hours next year. What are the estimated monthly overhead costs, assuming no inflation? Overhead costs