Factory Overhead Cost Variance Report hours. Variable costs: Indirect factory wages Power and light Indirect materials Total variable cost Fixed costs: Supervisory salaries Depreciation of plant and equipment Insurance and property taxes Total fixed cost Total factory overhead cost $22,080 12,558 10,488 $45,126 \begin{tabular}{rr} $13,970 & \\ 35,820 & \\ 10,930 & \\ & $105,84660,720 \\ \hline \end{tabular} and insurance and property taxes, $10,930. unit computations to the nearest cent, if required. If an amount box does not require an entry, leave it blank