1) Your delivery business uses a rental truck. In an attempt to estimate future truck rental costs you have collected the following information: Month Miles driven Rental cost of truck January 600 $585 February 620 588 March 580 574 April 640 591 May 700 610 June 680 598 If you drive the truck 640 miles in July, what should the total rental cost be? Use the high/low method. Do you think this is a decent estimate of what the cost will be? Why?