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

Standard costs

$6,800$ hours at $$11\mathrm{.}90$

Actual costs

$6,300$ hours at $$10\mathrm{.}20$

The direct labor time variance is

a$.$ $$5,950$ unfavorable

b$.$ $$5,100$ favorable

c$.$ $$5,100$ unfavorable

d$.$ $$5,950$ favorable