Crane Arquitectónica of Tijuana, Mexico, is contemplating a major change in its cost structure. Currently, all of its drafting work is performed by skilled draftspersons. John Johnson, Crane's owner, is considering replacing the draftspersons with a computerized drafting system. However, before making the change, John would like to know its consequences, since the volume of business varies significantly from year to year. Shown below are CVP income statements for each alternative: (a) Determine the degree of operating leverage for each alternative. (Round answer tha 2 decimal places, e.g. 15.25.) Operating leverage Manual System Computerized System eTextbook and Media