Below is information from Orange Company's most recent income statement. Sales $500,000 Variable Expenses 300,000 Contribution Margin $200,000 Annual fixed expenses are $70,000 and Orange sold 20,000 units. If, in the current period, fixed expenses are expected to decrease by $10,000 and un sales increase by 10%, the change in net operating income will be: $30,000 increase $10,000 decrease $ 8,000 increase $10,000 Increase