TB MC Qu$.08-115($Algo$)$ Grant Company uses the following...

Grant Company uses the following standard to produce a single unit of its product: Variable overhead $(1\mathrm{.}80$ hours per unit @ $$4\mathrm{.}60/$hour$)$ Actual data for the month show total variable overhead costs of $$310,360,$ and $37,000$ units produced. The total variable overhead variance is