Factory Overhead Volume Variance

Venneman Company produced $3,900$ units of product that required $4$ standard hours per unit. The standard fixed overhead cost per unit is $$2\mathrm{.}70$ per hour at $16,400$ hours, which is $100\%$ of normal capacity. Determine the fixed factory overhead volume variance. Enter a favorable variance as a negative number using a minus sign and an unfavorable variance as a positive number.