Step 1b: Find inventory cost and procurement cost Unit Expos Annual Total proc. Weekly demand Lead Avg. ure Demand during Safety pipeline cycle stock Total inv. % shipping Weekly weekly cost per cost time Period EP shipping weekly inv. inv. holding inv. cost item cost cost (EP) cost (E/unit) mean s.d. (units) (wks) (wks) mean s.d. (E / wk) (6/ unit) (E/wk) (E/wk) Weekly (units) (units) (units) (units) (units) (units) (units) cost Stock DVD in Fra 10 250 42 0.5 20% DVD Total Stock DVD in Ger 10 700 86 0.5 20% Stock LCD in Fra 400 19 6 2 40% LCD Total Stock LCD in Ger 400 14 5 2 40% Stock GPS in Fra 800 2.09 0.5 4 30% GPS Total Stock GPS in Ger 800 2.09 0.5 4 30%