Answer: Alternative - choice
Explanation: In simple words, alternative refers to the available possibilities in a decision making, that will, result in same or similar level of satisfaction for the decision maker.
In the given case, the individual wants to decide whether he or she should buy flexible or rubber goggles. Both of the alternatives will result in almost same level of satisfaction.
Hence from the above we can conclude that the given case depicts the problem of choosing between close alternatives.
