The following data for November have been provided by Mazzio Corporation, a producer of precision drills for oil exploration:

Budgeted production $4,000$ drills

Standard machine$-$hours per drill $8\mathrm{.}4$ machine$-$hours

Standard indirect labor $ $9\mathrm{.}40$ per machine$-$hour

Standard power $ $2\mathrm{.}90$ per machine$-$hour

Actual production $4,300$ drills

Actual machine$-$hours $36,530$ machine$-$hours

Actual indirect labor $ $362,756$

Actual power $ $97,693$

Required:

Compute the variable overhead rate variances for indirect labor and for power for November. Indicate whether each of the variances is favorable or unfavorable. Show your work.