Kenosha Industries, Inc., $($KII$)$ developed the following standard costs for direct material and direct labor for one of their major products, the $10-$gallon plastic container.

$\backslash$table$[[,$Standard Quantity,Standard Price$],[$Direct materials,$0\mathrm{.}10$ pounds,$$30$ per pound$],[$Direct labor,$0\mathrm{.}05$ hours,$$15$ per hour$]]$

During August, KII produced and sold $10,000$ containers using $980$ pounds of direct materials at an average cost per pound of $$32$ and $500$ direct labor hours at an average wage of $$15\mathrm{.}25$ per hour.

August's direct labor efficiency variance was:

a$.$ $$125$ unfavorable.

b$.$ $$125$ favorable.

c$.$ $$142,375$ favorable.

d$.$ Zero variance.