A unit of product L requires 9 active labour hours for ...
单项选择题A unit of product L requires 9 active labour hours for completion. The performance standard for product L allows for ten per cent of total labour time to be idle, due to machine downtime. The standard wage rate is $9 per hour. What is the standard labour cost per unit of product L?
A、$72.90
B、$81.00
C、$89.10
D、$90.00
A.90
B.00
C.10
D.00
