Rising Dawn Medicine is a private ambulance service that provides emergency and transport services in the local county. Rising Dawn's actual and estimated costs for a heart attack patient being transported to another hospital are as follows:
Actual materials: \$1350
Actual labor: \$100 an hour for 8 hours
Estimated overhead: \$50,000 a month
Predetermined overhead rate: \$600 per labor hour
Standard profit margin: 10% of cost
Which of the following statements is/are true regarding Rising Dawn's overhead? Select ALL that apply.