Item to Classify Sales volume Standard Sales price$115,000$ units Actual Material usage$ $5\mathrm{.}50$ per unit$111,000$ units Labor price$55,000$ gallons$ $5\mathrm{.}40$ per unit$ $14\mathrm{.}00$ per hour$57,000$ gallons$ $13\mathrm{.}95$ per hour. The sales volume variance is$?$