A contractor hired by the property owner made improvements to the property. After the work was completed, he owner refused to pay the contractor for the work performed. The contractor should file a:

Which of the following offers the most plausible scenario for a firm that maintained a constant degree of operating leverage when its level of fixed costs doubled?

A) sales revenues declined B) pretax profits decreased C) variable cost percentage decreased D) depreciation expense increased

Evaluating all possible values of a variable in a model is called

A) trial and error. B) complete enumeration. C) an algorithm. D) variablization. E) None of the above