Stephanie claims increasing sales will reduce the COGS on a PER UNIT basis. Wilson$$s

EOQ includes some of the logistics costs in COGS $[$assume annual demand is $1,000$

units per year, ordering cost is $$55$ per order, annual inventory carrying cost is $34\mathrm{.}8\%,$

unit purchase price is $$48,$ and sales increases by $24\%$ annually$].$ Show how increasing

sales for an item will lower the COGS on a PER UNIT basis.