The actual and planned data for Underwater University for the Fall term were as follows:

	Actual		Planned
Enrollment	4,500		4,125
Tuition per credit hour	$120		$135
Credit hours	60,450		43,200
Registration, records, and marketing costs per enrolled student	$275		$275
Instructional costs per credit hour	$64		$60
Depreciation on classrooms and equipment	$825,600		$825,600

Registration, records, and marketing costs vary by the number of enrolled students, while instructional costs vary by the number of credit hours. Depreciation is a fixed cost.

Prepare a variable costing income statement showing the contribution margin and operating income for the Fall term.

Underwater UniversityVariable Costing Income StatementFor the Fall TermRevenue$fill in the blank 1Variable costs:Registration, records, and marketing costs$fill in the blank 2Instructional costsfill in the blank 3Total variable costs$fill in the blank 4Contribution margin$fill in the blank 5Depreciation on classrooms and equipmentfill in the blank 6Operating income$fill in the blank 7