... of Labor Content in Products Figure 1-1Figure 1-11850 1900 1950 2% 2% 50% 50%98% 98%Machine PowerHorse and HumanKey1- 12 Supply Management and the Bottom Line•Purchased items account ... Cost•Post Ownership CostFigure 1 -2 Figure 1 -2 1-14Return onInvestments10.0%Total assets$4,000,000Sales$5,000,000Divided byProfitmargin8%Asset turnoverrate1 .25 MultiplyCash$300,000Accountreceivable$300,000Inventories$500,000AssetsLabor$700,000Materials $2, 300,000Overhead$800,000Operating ... turnoverrate1 .25 MultiplyCash$300,000Accountreceivable$300,000Inventories$500,000AssetsLabor$700,000Materials $2, 300,000Overhead$800,000Operating cost elements($515,000)($3,685,000)( $2, 185,000)(10.3%)(1 .26 )($3,975,000)($1,075,000)($475,000)(13.0%)What...