The following data relate to direct labor costs for the current period:

Standard costs

$7,300$ hours at $$11\mathrm{.}80$

Actual costs

$6,000$ hours at $$10\mathrm{.}50$

The direct labor time variance is

a$.$ $$15,340$ unfavorable

b$.$ $$13,650$ favorable

c$.$ $$13,650$ unfavorable

d$.$ $$15,340$ favorable