A manufacturer of tiling grout has supplied the following data: Kilograms produced and sold Sales revenue. Variable manufacturing expense. Fixed manufacturing expense. Variable selling and administrative expense. Fixed selling and administrative expense.. Net operating income.. The company's degree of operating leverage is closest to: 14.77 2.65 4.77 2,27 300,000 $1,950,000 $960,000 $266,000 $360,000 $232,000 $132,000