Consider the following analysis of testing skills performed on four people: Alex, Robert, John and Mark (all the skills have been rated on an ascending scale: The higher the score, the better the skill) : 
Which of these people, based on this analysis, would you expect to be most suitable to work specifically as test designer?
Definitions:
Marginal Benefit
The supplementary pleasure or utility a consumer experiences when an additional unit of a good or service is consumed.
Marginal Cost
The financial commitment needed to produce an additional unit of a product or service.
Opportunity Cost
The cost of forgoing the next best alternative when making a decision, representing the benefits you could have received by taking an alternative action.
Movieplex
A modern movie theater complex featuring multiple screens within a single venue, allowing for the screening of various films simultaneously.
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