Bramble Paints manufactures artist's oil paints. Each 40ml tube of paint requires 5 minutes of direct labor, and the standard labor rate is $7.80 per direct labor hour. In September. Bramble incurred 11,490 direct labor hours at a cost of $90,244 to produce 140,000 tubes of paint. Calculate Bramble's direct labor rate varianciffor September. (Round intermediate calculations to 5 decimal places, eg. 1.24638 and final answer to 0 decimal places, eg. 5,275.) Direct labor rate variance