Answer:
Check the calculations below
Step-by-step explanation:
Labor rate variance = actual quantity*actual rate - actual quantity*standard rate 
 
actual quantity = 3500 direct labor hours. actual rate = $9 per hour. standard rate = $8.50 per hour 
 
labor rate variance = 3500 hours*$9 per hour - 3500 hours*$8.50 per hour 
 
= $1,750 (Unfavorable) 
 
Labor efficiency variance = actual hours*standard rate - standard hours*standard rate 
 
standard hours = 7200 meals*0.50 direct labor hour per meal = 3600 hours 
 
labor efficiency variance = 3500 hours*$8.50 per hour - 3600 hours*$8.50 per hour 
 
= - $850 (favorable)