Please Answer the Questions below

PART II GIGI Software Systems operates a technical support center for its customers. If customers have installation or use problems with GIGI software products, they may telephone the technical support center and obtain free consultation. Currently, Ocala operates its support center with one consultant. If the consultant is busy when a new customer call arrives, the customer hears a recorded message stating that all consultants are currently busy with other customers. The customer is then asked to hold and is told that a consultant will provide assistance as soon as possible. Customers usually make 5 calls per hour. On average, it takes 7.5 minutes for a consultant to answer a customer's questions. A. What is the service rate in terms of customers per hour? B. What is the probability that the consultant is busy (utilization rate)? C. What is the probability that the consultant is Not busy? D. What is the average number of customers waiting for any consultant (in system)? E. What is the average time a customer waits for any consultant (in system)