For the Year Ended Dec 31, 2019 TOTAL PERCENT iales $1,800,556 100% ess: Variable Costs (must be listed in alphabetical order): Commissions 216,067 12.0% Cost of Goods Sold 765,459 42.5% Parts & Service expense 98,355 5.5% Rent 72,022.24 4.0% otal Variable Costs a 1751,903 64.0% Contribution Margin 648,653 36% ess: Fixed Costs (must be listed in alphabetical order) Advertising 103,000 Depreciation 24,358 Rent 60,000 Property Takes 33,939 Salaries 182.535.32 Utilities 104,868 OTAL 508,700 Iperating Income 139,952.94 ess: Interest Expense 10,000 arnings Before Income Tax 129,953 ess: Income Takes 36887 let income 93.586