Problem $10-9($Algo$)$ Comprehensive Variance Analysis $[$LO$10-1,$ LO$10-2,$ LO$10-3]$

Marvel Parts, Incorporated, manufactures auto accessories including a set of seat covers that can be adjusted to fit most cars. According to its standards, the factory should work $1,070$ hours each month to produce $2,140$ sets of seat covers. The standard costs associated with this level of production are:

$\backslash$table$[[,$Total,Per Set of$],[,$Covers,$],[$Direct materials,$$26,964,$$$12\mathrm{.}60$