A company has provided the following data: Sales 5,000 units Sales price $100 per unit Variable cost $70 per unit Fixed cost $30,000 If the sales volume decreased by 20%, variable costs increase by 10%, and all factors remain the same, what will happen to operating income? Group of answer choices No change in operating income. Decrease by $35,000. Decrease by $58,000. Decrease by $75,00