The Following Information Relates to Randolph Manufacturing's Overhead Costs for the Month

The following information relates to Randolph Manufacturing's overhead costs for the month:
$$\begin{array} { | l | l | } \hline \text { Static budget variable overhead } & \$ 14,200 \\\hline \text { Static budget fixed overhead } & \$ 5,600 \\\hline \text { Static budget direct labor hours } & 1,000 \text { hours } \\\hline \text { Static budget number of units } & 5,000 \text { units } \\\hline\end{array}$$ Randolph allocates manufacturing overhead to production based on standard direct labor hours.
Randolph reported the following actual results for last month: actual variable overhead, $14,500; actual fixed overhead, $5,400; actual production of 4,700 units at 0.22 direct labor hours per unit. The standard direct labor time is 0.20 direct labor hours per unit.
Compute the variable overhead efficiency variance. (round the answer to the nearest dollar)