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. 720 Honth 1 2 3 6 5 6 LaborHours Machine Hours 1,35: 715 1,420 685 1,529 745 1,445 775 1,599 765 1.578 735 2,382 720 1,318 710 1,462 305 1548 675 1,298 715 1,610 Overhead Costs $ 102,719 103,740 109,808 108,378 116, 108 114,572 107,016 102,071 106,445 113,057 102,836 115,990 8 9 10 11 12 Required: 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 1,600 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 Required Use the high low method to estimate the fixed and variable portions of overhead costs based on machine hours. (Round "Variable cost" answer to 2 decimal places) Vanable cost per machine hour) Fored cost Required >