Shelby's Aerial Spraying, in addition to its spraying services, conducts flight training classes for pilot certification. Shelby has provided you the following information for the year ended December 31, 2019. Number of students 60 Revenue per student $1,500 Student-related variable costs $100 per student Salary for three instructors $3,000 each Administrative costs $50 per student Maintenance on aircraft $40,000 per year Required: Construct a contribution margin format income statement in good form to determine the income for the instruction portion of the business