Stock outs are most likely to be a problem in businesses that use fulfillment

A$)$ engineer$-$to$-$order $($ETO$)$

B$)$ make$-$to$-$order $($MTO$)$

C$)$ make$-$to$-$stock $($MTS$)$

D$)$ assemble$-$to$-$order $($ATO$)$