i just need help finding "other variable cost"

The Old Tyme Ice Cream Shoppe sold 9,000 servings of ice cream during June for $2 per serving. Old Tyme purchases the ice cream in large tubs from the Florida Ice Cream Company. Each tub costs Old Tyme $9 and has enough ice cream to fill 15 ice cream cones. Old Tyme purchases the ice cream cones for $0.10 each from a local warehouse club. The Old Tyme Ice Cream Shoppe is located in a local strip mall, and rent for the space is $1,950 per month. Old Tyme expenses $270 a month for the depreciation of the Shoppe's furniture and equipment. During June, Old Tyme incurred an additional $2,000 of other operating expenses (75% of these were fixed costs). Requirements 1. Prepare Old Tyme's June income statement using a traditional format. 2. Prepare Old Tyme's June income statement using a contribution margin format. Requirement 1. Prepare Old Tyme's June income statement using a traditional format. The Old Tyme Ice Cream Shoppe Income Statement For the month ended June 30 Sales revenue 18000 Cost of goods sold 4500 Gross profit 13500 Operating expenses Lease expense 1950 Depreciation expense 270 Other operating expenses 2000 Total operating expenses (4220) Operating income 9280 Requirement 2. Prepare Old Tyme's June income statement using a contribution margin format. The Old Tyme Ice Cream Shoppe Contribution Margin Income Statement For the month ended June 30 Sales revenue 18000 Variable expenses: Cost of goods sold 4500 Other variable operating expenses Contribution margin Fixed expenses: Lease expense 1950 Depreciation expense 270 Other fixed operating expenses 1500 Operating Income