Solution :
Total labor variance = [(standard rate x standard hours) - (actual rate x actual hours)]
= [$11 x (1300 x 2)] - ($9.90 x 2340)
= $28600 - $23166
= $ 5434 unfavorable
Labor price variance = ( standard rate - actual rate) x actual hours
= ($11.00 - $9.90) x 2340
= $ 1.1 x 2340
= $2574 favorable
Labor quantity variance = standard x (standard hours - actual hours)
= $11.00 x [(1300 x 2) - 2340]
= $11.00 x (2600 - 2340)
= $11.00 x 260
= $2860 unfavorable