Selecting the best alternative system involves:

a. generating a comprehensive set of alternative design strategies.
b. selecting the alternative design strategy that is most likely to result in the desired information system, given all of the organizational, economic, and technical constraints that limit what can be done.
c. developing all technology and organizational specifications necessary to implement the new information system.
d. working with a customer to establish work standards and communication procedures. both A and B.

At the moment of creating a strategic plan, companies must also outline contingency strategies in case the master plan does not work. These contingency plans work as alternative systems that, just like the master plan, englobe all the activities and steps the firm will follow to keep the business up and running.

Therefore, the alternative systems also include the resources available the firm counts on to conduct its operations which will also let the company be aware of the limits it has in the for its day-to-day and long-term activities.