Answer: C. Farah wants to obtain her college degree in four years
A time bound goal has a specific, measurable time-frame within which a specific goal has to be achieved; it can also set as a specific target to be achieved at periodical intervals.
Amongst the options given, only option C has a specific, measurable and well-defined time frame within which a specific goal is set to realized.
For the case of a consumer with an inelastic demand curve, it is less costly to cater for them, hence reducing the production fixed cost. given that different customers will be charged differently for the same product, it is easy to cover for a low profit range.