A manufacturer of cedar shingles has supplied the following data: Bundles of cedar shakes produced and sold... Sales revenue .... Variable manufacturing expense...****** Fixed manufacturing expense...... Variable selling and administrative expense.. Fixed selling and administrative expense ....... Net operating income..... 260,000 $2,106,000 $975,000 $486,000 $260.000 S111.000 is close The company's degree of operating 1 Select one: a. 7.85 b. 1.63 c. 2.34 d. 18.97