Suppose the customer (an auto manufacturer) wants to purchase in lots of 300 and that bob's bumpers is able to reduce setup costs to the point where 300 is now the optimal production run quantity. how much will they save in annual holding costs with this new lower production quantity

Customers arrive at rich dunn's styling shop at a rate of 3 per hour, distributed in a poisson fashion. rich can perform an average of 5 haircuts per hour, according to a negative exponential distribution.a) the average number of customers waiting for haircuts= customersb) the average number of customers in the shop= customersc) the average time a customer waits until it is his or her turn= minutesd) the average time a customer spends in the shop= minutese) the percentage of time that rich is busy= percent