2 digits after decimal point, please answer fast and clear. Thanks

d. The total duration to submit your answer to this question is 60 minutes s) The College of Engineering wants to rent either a rental cost for a slow copier is 100 TL per hour and it takes ai minutes to copy a document. On the other hand, the rental cos per hour and it takes an employee an average of 4 minutes durations are independent and exponentially distributed. The copier to copy a document is a Poisson process with rate 5 should be rented to minimize the average cost under th conditions? a) (15 points) If an employee's time is worth 50 TL per hour. . b) (15 points) If an employee waits for a total of x hours, t employee is 100x2