The receiving area is staffed by a single administrator, who can handle 0.80 jobs per hour, with service times being negative exponentially distributed. In addition, assume that the inter-arrival times for jobs are negative exponentially distributed. In addition to the receiving administrator, Harmon has the following staff:

·        3 standard CAD engineers, each of whom can do 0.125 standard CAD jobs per hour

·        2 complex CAD engineers, each of whom can do 0.0625 complex jobs per hour