Can you give me step by step for a, b,c

ource: IRS. 72. COST OF RENTING A TRUCK Ace Truck leases its 10-ft box truck at $30/day and $0.45/mi, whereas Acme Truck leases a similar truck at $25/day and $0.50/mi. a. Find the daily cost of leasing from each company as a function of the number of miles driven. b. Sketch the graphs of the two functions on the same set of axes. c. Which company should a customer rent a truck from for 1 day if she plans to drive at most 70 mi and wishes to minimize her cost