A production operation is a single-channel, single-phase, unlimited-queue-length queuing system. Products arrive at the operation at an average rate of 30 per hour, and the present average production rate is 33 products per hour. Management wants products to be at the operation an average of only .1 hour. What is the new average production rate at the operation? The answer is 40 products per hour. I need to know what the formula is and an illustration of how to find the answer part two of this question which is . In problem 1, how much would the average work-in-progress (WIP) inventory be reduced with the new production rate?