For an item being managed using a fixed$$order quantity model with safety stock, if Annual demand $($D$)=1,000$ units, Order quantity $($Q$)=200$ units, and Safety stock $($SS$)=40$ units, calculate the inventory turn.

Group of answer choices

$8\mathrm{.}76$

$7\mathrm{.}14$

$5\mathrm{.}26$

$8\mathrm{.}96$