Eagle Electronics uses a Q$-$model to make inventory decisions about a replacement part for a laptop computer. Annual demand has been forecast to be $3600$ units, while it costs $$4$ to hold unit for a year and $$200$ to place an order. The order lead time is $4$ days and the business operates $300$ days per year. What is the expected level of demand during lead time? $($Round your answer to the nearest whole number.$)$

Question $23$ options:

$3$

$48$

$75$

$14,400$