Graham Corporation manufactures a drink bottle, model CL$24.$ During $2020,$ Graham produced $210,000$ bottles at a total cost of $$882,000.$ Degraff Corporation has offered to supply as many bottles as Graham wants at a cost of $$4\mathrm{.}35$ per bottle. Graham anticipates needing $223,000$ bottles each year for the next few years.

Read the requirements.