The Following is the income statement for Jackie Cafe for the month of May 2019. During the month, Jackie Cafe sold 2,000 units (production equals sales), and price per unit is $17: Sales Revenue 34,000 Variable Costs Contribution Margin 15.000 19,000 Fixed Costs 15.000 LOverating Income 4,000 Using the degree of operating leverage, estimate the change in operating income if total sales decrease 20% (assume no change in sales price per unit). Oa. 200 Ob.-2,000 OC 3,800 OPO