Which one of the following is not a good indicator of how well a company's present strategy is working?
A. Whether its sales are growing faster than, slower than, or about the same pace as the market as a whole, thus resulting in a rising, falling, or stable market share
B. How well the company stacks up against rivals on such factors as technology, product quality, customer service, product innovation, delivery time, speed in getting new products to market, and other factors on which buyers base their choice of brands
C. Whether the firm's profit margins are increasing or decreasing and how well its margins compare to rival firms' margins
D. Whether the economy has declined or expanded in the last few years, and what, if any, impact that had on the national rate of employment
E. The firm's image and reputation with its customers and whether the company's overall financial strength and credit rating are improving or on the decline