5. Qplc uses standard costing. The details for April are as follows: Budgeted output Budgeted labor hours Budgeted labor cost 15,000 units 60,000 hours $540,000 Actual output 14,650 units Actual labor hours paid 61,500 hours Productive labor hours worked 56,000 hours Actual labor cost $522,750 Required: Calculate the labor rate, labor efficiency and idle time variances using the above information.