Avery is renting a car and needs to compare the prices of two car rental companies. Hertz charges $42 per day and an additional $32 in service charges. Enterprise charges $46 per day and an additional $24 in service charges. Part A: Write an equation to represent each company's total charges for renting a car for a certain number of days. For both equations (one for Hertz and one for Enterprise), define the variable used. Part B: Which company charges more for renting a car for 6 days? Justify your answer.Part C: How much money does Avery save by renting a car from Hertz instead of Enterprise for 4 days? Show your work or explain your answer.