How many types of inventory costs, and what they are? $(1\mathrm{.}5$ Marks$)$

Part $03$:

Items purchased from a vendor cost $$25$ each, and the forecast for next year's demand is $1,500$ units. If it costs $$6$ every time an order is placed for more units and the storage cost is $$5$ per unit per year, answer the following questions.

A$.$ What quantity should be ordered each time? $(1$ Mark$)$

B$.$ What is the total ordering cost for a year?

$(1$ Mark$)$