Question $1$

The Dine Corporation is both a producer and a user of brass couplings. The firm operates

$220$ days a year and uses the couplings at a steady rate of $50$ per day. Couplings can be

produced at a rate of $200$ per day. Annual storage cost is $$2$ per coupling, and machine

setup cost is $$70$ per run.

a$.$ Determine the economic run quantity.

b$.$ Approximately how many runs per year will there be$?$

c$.$ Compute the maximum inventory level.

d$.$ What is the average inventory on hand?

e$.$ Cycle time and Run time