Cost Accounting help and review for corrections

I need by this evening 6pm central time.  Please show work for all your calculations. I have attached Q2 and Q4 please verify work and update if incorrect. I have to show all work.  

2. Calculate the cost per minute for each type of employee.

3. Allocate overhead costs to each level of service using the appropriate cost drivers

4. Calculate total costs per patient and price per patient at each level of care

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