Breann can handle about eight customers per hour at her one-person comic book store. The customer arrival rate averages about five customers per hour. Breann is interested in knowing the operating characteristics of her single-channel, single phast queulng system. Do not round intermediate calculations, Round your animers fo three decimal places. =Pa=Ls=Le=W=Ws=customer(s)customer(s)hourshours How would Breann's queving system operating characteristics change if whe added another cashier and incressed her service rate to sinteen customers per hour? Do not round intermediate calculations. Round your answers to three decimal places