This document summarizes the monthly overhead budgets for manufacturing of different concerns at various capacity levels. It indicates that wages and consumable stores are variable costs, maintenance and power & fuel have both fixed and variable components, and depreciation and insurance are fixed costs. It then prepares the budget for overhead costs at 80% capacity level, calculating the total costs for maintenance as Rs. 2600 and power & fuel as Rs. 3600, by taking the fixed cost and adding the variable cost component multiplied by the units at 80% capacity level.