QUESTION $7(0\mathrm{.}6$m$)$: The company has the annual demand of $6000$ laptops. Holding cost per unit is $5\%$ of the size. as follows: $($All calculations are rounded up to the whole number$)$

purchase price. The ordering cost is $100$USD$/$ order. The supplier offered promotion for a variety of order

order size price

option $11-<350250$

option $2>=350220$

Determine the EOQ with the purchase price of $220$ USD$/$unit:

a$\mathrm{.}283$ b$\mathrm{.}302$ c$\mathrm{.}330$ d$.$none