When she determined to set her share of communication expenses at 4 percent of sales, it is an example of the use of the competitive parity method.
Competitive parity refers to when one want to achieve standard or average results as compared to others in your industry or within one's firm.
Here, because the firm’s sales have increased to 4%, she decided to set her share of communication expenses at 4% of sales
It is obvious she is acting because of the movement of internal situation (increase of firm's sales)
Thus, the scenario of method is definitely known as Competitive parity.
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