The answer & explanation for this question is given in the attachment below.
Explanation:
Business xase evaluation is most useful because (BCA) provides a best-value analysis that considers not only cost but other quantifiable and non-quantifiable factors supporting an investment decision. This can include but is not limited to, performance, producibility, reliability, maintainability, and supportability enhancements.
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Answer:
add the following code to your bar class
Explanation:
public Bar(Commands n) { }