Russell and Sons, a CPA firm, established the following standard labor cost data for completing what the firm referred to as a Class $2$

tax return. Russell expected each Class $2$ return to require $4\mathrm{.}0$ hours of labor at a cost of $$30$ per hour. The firm actually completed

$600$ Class $2$ returns. Actual labor hours averaged $3\mathrm{.}6$ hours per return and actual labor cost amounted to $$34\mathrm{.}50$ per hour.

Required

a$.$ Determine the total labor variance and indicate whether it is favorable $($F$)$ or unfavorable $($U$).$

b$.$ Determine the labor price variance and indicate whether it is favorable $($F$)$ or unfavorable $($U$).$

c$.$ Determine the labor usage variance and indicate whether it is favorable $($F$)$ or unfavorable $($U$).$

Note: For all requirements, do not round intermediate calculations and select "None" if there is no effect $($i$.$e$.,$ zero variance$).$Russell and Sons, a CPA firm, established the following standard labor cost data for completing what the firm referred to as a Class $2$ tax return. Russell expected each Class $2$ return to require $4\mathrm{.}0$ hours of labor at a cost of $$30$ per hour. The firm actually completed $600$ Class $2$ returns. Actual labor hours averaged $3\mathrm{.}6$ hours per return and actual labor cost amounted to $$34\mathrm{.}50$ per hour.

Required

Determine the total labor variance and indicate whether it is favorable $($F$)$ or unfavorable $($U$).$

Determine the labor price variance and indicate whether it is favorable $($F$)$ or unfavorable $($U$).$

Determine the labor usage variance and indicate whether it is favorable $($F$)$ or unfavorable $($U$).$

Note: For all requirements, do not round intermediate calculations and select "None" if there is no effect $($i$.$e$.,$ zero variance$).$