What is the optimal order quantity $Q^{**}?$

What is the optimal Re$-$order point R$?$

What is the optimal fill$-$rate service level $($with two decimal places$)?$

The backorder cost $($p$)$ is unreliable and should not be used. Rework the model using a $97\%,$ in$-$stock service level requirement, What is the revised order quantity, Q$?$

The backorder cost $($p$)$ is unreliable and should not be used. Rework the model using a $97\%,$ fill rate service level requirement, What is the revised order quantity, Q$?$

The backorder cost $(p)$ is unreliable and should not be used. Rework the model using a $97\%,$ fill rate service level requirement, How has the annual cost of backorders changed?

The backorder cost $($p$)$ is unreliable and should not be used. Rework the model using a $97\%($or $99\%),$ fill rate service level requirement, What is the revised type $1$ service level $($ with two decimal places$)?$

Finally, the management team would like to do some sensitivity analysis on the type $2$ service level. By how much does Total Relevant Cost increase as the type $2$ service level is changed from $97\%$ to $99\%?$

At the $99\%$ type $2$ service level, what is the average inventory level?