$1.$ In the basic EOQ model shown$$ below, which variable did the retail sector get very$$ wrong?

$$Q$*$equals StartRoot StartFraction $2$ DS Over Upper H EndFraction EndRoot$=$

$2$DS

H

A$.$

square root$($as it is not relevant in the retail$$ sector$)$

B$.$

H

C$.$

S

D$.$

D