The standard number of hours that should have been worked for the output attained is 8300 direct labour hours and the actual number of direct labour hours worked was 8700. If the direct labour price variance was $8700 unfavourable, and the standard rate of pay was $19 per direct labour hour, what was the actual rate of pay for direct labour? $18 per direct labour hour O $20 per direct labour hour $19 per direct labour hour O $16 per direct labour hour