The following monthly budgeted data are available for the Stark Company: Product A Product B Product C Sales $500,000 $300,000 $900,000 Variable expenses 300,000 210,000 720,000 Contribution margin $200,000 $90,000 $186,000 The budgeted operating income for the month is $210,000. Submission Instructions:c. Calculate the degree of operating leverage (two decimal points).