Money Laundry has 21 washers and 38 dryers. All orders are first sent to wash and then to dry. It takes on average, 43 minutes to wash one order and 50 minutes to dry.

a. What is the capacity of the washing stage? (Round your answer to 2 decimal places.)

b. What is the capacity of the drying stage? (Round your answer to 2 decimal places.)

c. Identify the bottleneck(s).

multiple choice 1

• Washer

• Dryer

d. What is the capacity of Money laundry? (Round your answer to 2 decimal places.)

e. If Money Laundry would like to increase the capacity by buying one more machine, should they buy a washer or a dryer?

multiple choice 2

• Washer

• Dryer

The manager, Mr. Money, decided not to buy a machine. He still has 21 washers and 38 dryers. The manager estimates that on average Money Laundry receives eight orders every hour. The manager also finds that on average there are five orders in the washing stage and three orders in the drying stage.

f. What is the utilization of washers, on average? (Round your answer to 2 decimal places.)

g. What is the utilization of dryers, on average? (Round your answer to 2 decimal places.)

h. On average, how long does it take an order to finish the washing process, from the time the order is received? (Round your answer to 2 decimal places.)

i. On average, how long does it take an order to finish the drying process, from the time the order finishes the washing process? (Round your answer to 2 decimal places.)

j. On average, how long does an order stay in Money Laundry? (Round your answer to 2 decimal places.)