Question $2$: Optimal Order Quantity and Total Cost Calculation $-$ Office Chair Procurement

Scenario: An office furniture retailer is managing its inventory of office chairs. The annual demand for office chairs is $3,000$ units. The ordering cost is $\backslash (\backslash$$ $10\backslash )$ per order, and the annual holding cost percentage is $\backslash (40\backslash \%\backslash )$ of the unit price. The supplier offers the following quantity discount structure:

Task:

Using both all$-$unit and incremental discount models, determine the optimal order quantity and calculate the total cost.