Sandhill Company's standard labor cost of producing one unit of Product DD is $3\mathrm{.}40$ hours at the rate of $$10\mathrm{.}60$ per hour. During August, $43,300$ hours of labor are incurred at a cost of $$10\mathrm{.}80$ per hour to produce $12,500$ units of Product DD$.$

$($a$)$

Compute the total labor variance.

Total labor variance

$($b$)$

Compute the labor price and quantity variances.

Labor price variance

$

Labor quantity variance

$

$>$

$>$

Compute the labor price and quantity variances, assuming the standard is $3\mathrm{.}7$ hours of direct labor at $$11\mathrm{.}00$ per hour.

$($c$)$

Labor price variance

$

Labor quantity variance

$