each, and ordering costs are approximately $$15$ per order, regardless of the order size. The annual holding cost rate is $20\%.$ places.$)$

$Q^{**}=$

$TC=$$

to two decimal places.$)$

$Q^{**}=$

$TC=$$

days per year. $($Round your answer to two decimal places.$)$

days

$($d$)$ Would you recommend a no$-$backorder or a backorder inventory policy for this product? Explain.

Yes, the maximum wait is less than a week and the backorder case has a lower cost than the EOQ case.

Yes, the maximum wait is over a week lon but the cost savings of the backorder case is large enough to justify a long wait.

No$,$ the maximum wait is less than a week but the EOQ case has a lower cost than the backorder case.

No$,$ the maximum wait is over a week long, which does not justify the cost savings of the backorder case.

No$,$ the maximum wait is over a week long and the EOQ case has a lower cost than the backorder case.

EOQ $r=$

Backorder $r=$