The same scenario will be used for questions $1-10.$

An auto parts shop carries an oil filter for trucks. The annual demand for the oil filter is roughly $1200$ units. The ordering cost per ord is $$80$; the holding cost of carrying $1$ unit is $$1\mathrm{.}2$ per year. The shop has $360$ working days per year. The lead time is usually $12$ worki

Determine the number of orders placed in a year

$5$

$3$

$4$

$10$

None of the above.