1) The OM Pizza Parlor receives 40 calls per hour (assume each call is for l pizza) for delivery of a pizza. It costs the parlor $10 to send out a truck to deliver pizzas. It is estimated that each minute a customer waits for a pizza; the parlor loses 30 cents of future business. a) How often (that is, what is the time between orders or TBO) should the pizza parlor send out a truck? (7 points) b) What would be the answer if the truck could only carry 6 pizzas at a time? ('3 points)