a$.$ What run quantity $($optimal run size$)$ will minimize total annual costs $($EPQ$)?$

b$.$ What is the length of a production run $($run time$)$ in days?

c$.$ During production, how many units a day go to inventory as opposed to into production?

d$.$ What is the cycle time for optimal run time?

e$.$ How many days will be available between the production runs of this new item, allowing for the production of other products during the downtime?