Johnson Co$.$ makes organic non$-$GMO vegetable seed packets for the chef$/$gardener market. The standard material is $0\mathrm{.}60$ ounces per seed packet at a cost of $$0\mathrm{.}68$ per ounce. Johnson Co$.$ budgeted to make $65,000$ seed packets but due to high demand, they ended up making $72,000$ packets. They paid $$52,000$ for $60,000$ ounces of seed and used all but $7,000$ ounces of this purchase in production during the period.

What is their material efficiency variance for this period? Enter a favorable variance is a positive number and an unfavorable variance as a negative number.

Enter as a whole number, no commas and no dollar signs.