Important best practices for choosing the most useful internet metrics include all of these except: a. applying the "so what" test. b. ensuring that metrics are in line with the business objectives of those who will use them. c. identifying the metrics that drive business results, and make them your kpis. d. deciding which metric choices are appropriate, then tell the brand managers. e. all of these are useful internet metrics.

B. A strategic action because such a large plant expansion will require a major commitment of resources.

Explanation:

There are two major forms of action in business decision making: strategic and tactical. Strategic action deals with decision that require major planning and investment of resource. Strategic actions have long term implementation and effect and are difficult to reverse.

Tactical actions, on the other hand, are flexible and involves actions taken on short term basis. Tactical actions are majorly bye-product of strategic decision.

On this note, Circus Aircraft`s  decision to double its plant capacity over the next two years is a strategic action because such a large plant expansion will require a major commitment of resources. And the action will not easily reversible.

Other options in the question are not totally right.