Direct labour rate variance = (3875) unfavourable, Direct labour efficiency rate = (800) unfavourable
Step-by-step explanation:
Computation of Direct Material Price & Quantity Variance
Direct Material Purchase - Price variance = (SP minus AP) multiply AQ Purchase ($1.45 minus $1.48) multiply19000 = ($570) Unfavourable
Direc Material Quantity Variance =(SQ-AQ)SP =
((20 multiply600)-10500) multiply$1.45 = $2,175 Favourable
Direct Material Price variance - (SP minus AP)AQ Used = ($1.45minus $1.48) multiply10500 = ($315) Unfavourable
Computation of Direct Labour Rate & Efficiency Variance
Direct Labour Rate variance = (SR minus AR)multiply AH
= ($8 minus $9.25) multiply3100 = -3875 Un Favourable
Direct Labour Efficiency Variance (SH minus AH)multiply SR
= ((5 multiply 600) minus 3100)multiply8) = -800 Un Favourable