\f4. A feed store is considering adding another vehicle to its delivery fleet, each vehicle is rented for $1,000 per. Assume that the additional vehicle would be capable of delivering 2500 packages per day and that each package that is delivered brings in $0 35 in revenue. Also assume that adding the delivery vehicle would not affect any other costs. a. Calculate the MRP and MRC. b. Should the firm add this delivery vehicle? . Suppose the price to rent the truck decreases to $750 per day. Should the firm add the delivery truck in this scenario