Cesar Rego Computers, a Mississippi chain of computer hardware and software retail outlets, supplies both educational and commercial customers with memory and storage devices. It currently faces the following ordering decision relating to purchases of very high$-$density disks:

D $=36000$ disks

S $=$ $$25$

I $=20\%$

Purchase price $=$ $$0\mathrm{.}85$

Discount price $=$ $$0\mathrm{.}82$

Calculate the EOQ for each price point. How many of them are feasible?

Which of the following is the optimal $($in terms of cost minimization$)$ order quantity for the firm?