If the variables in the EOQ inventory model are defined as: S = total units demanded during the

planning period, O = ordering costs per order, C = carrying costs per unit and Q = inventory order
size in units, then the average level of inventory

which a company should have during the
planning period is
A) 1/2 S. B) 2/3 Q. C) 1/2 Q. D) SO/C.

C