Patricia is running a campaign for the next city council election. She feels she's spending too much on large promotional material. She wants her candidate to have more opportunities for personal interaction. She wants to know how many buttons, pens and leaflets she can purchase for the money she'll save by not paying for a billboard. She is using the Quantitative Reasoning Process to answer her question.

Identify the function below that would be most useful for Patricia

Group of answer choices

A function with the output of "election results" and inputs of "cost of billboards" and "cost of promotional materials."

A function with the output of "cost of campaign materials" and inputs of "cost of buttons, leaflets and pens" and "cost of billboards."

A function with the output of "total cost of campaign materials" and inputs of "length of campaign" and "campaign results."

A function with output of "cost of billboards" and inputs of "cost of pens, leaflets, buttons" and "length of campaign."

A function with the output of "election results" and inputs of "cost of billboards", "length of campaign."