Factory Overhead Controllable Variance

Venneman Company produced $3,700$ units of product that required $3\mathrm{.}5$ standard hours per unit. The standard variable overhead cost per unit is $$6\mathrm{.}60$ per hour. The actual variable factory overhead was $$83,250.$ Determine the variable factory overhead controllable variance. Enter a favorable variance as a negative number using a minus sign and an unfavorable variance as a positive number.