Robb Industries Inc.(RII), developed standard costs for direct material and direct labour. In 2021, RII estimated the following standard costs for one of their majorproducts, the10-litre plastic container.

Budgeted quantity

Budgted price

Direct materials

0.10 kilograms

$30 per kilogram

Direct labour

0.05 hours

$15 per hour

During June 2022, RII produced and sold 5,000 containers using 490 kilograms of direct materials at an average actual cost per kilogram of$32 and 250 direct manufacturinglabour-hours at an average actual wage of$15.25 per hour.

June's direct material efficiency variance is_______.