Given:

Annual demand $=5,000$ units

Ordering cost $($setup$)=$ $$49$

Holding cost $=20\%$ of cost $=0\mathrm{.}2$C

Find the lowest cost feasible order quantity for each price break and select the

one with the lowest cost. Finally, what is the least costly Q$($optimum$)?$

$(20$ points$)$

$4.$Henry$$s Computer Store sells a printer for $$200.$ Demand is constant during

the year, and annual demand is forecasted to be $600$ units. Holding cost is

$$20$ per unit per year and the cost of ordering is $$60$ per order. Currently, the

company is ordering $12$ times per year $(50$ units each time$).$ There are $250$

working days per year, and the lead$-$time is $10$ days.