EOQ with price discount

$$ Example: Below is a quantity discount schedule for an item with an annual demand of

$2,000$ units $(250$ working days one year$)$ that a company orders regularly at an ordering

cost of $$10.$ The annual holding cost is $10\%$ of the purchase price per year and the lead

time is $2$ days. Determine the optimal ordering policy.

Order quantity Price

Below $300$ units $$5$

$300$ to $699$ units $$4\mathrm{.}8$

$700$ units and above $$4\mathrm{.}5$