Individuals with varying chronological and cognitive ages may all be in the same life stage

Which of the following would be helpful to an analyst evaluating the performance of a firm?

(a) Understanding the economic and political environment in which the company operates. (b) Reviewing the annual reports of a company's suppliers, customers, and competitors. (c) Preparing common-size financial statements and calculating key financial ratios for the company being evaluated. (d) All of the above.

A nonlinear model has at least one nonlinear equation in either the constraint or the objective function

a. True b. False