Suppose inventory is managed using the order$-$up$-$to model. Which of the following actions will certainly lead to a higher order$-$up$-$to level? In all cases, assume the characteristics of the demand process do not change.

Increase in the target in$-$stock probability $($for the same lead time$).$

Increase in the lead time $($for the same in$-$stock probability$).$

multiple choice

A only.

B only.

A and B$.$

None of the above.