Fixed Cost 

 Labor Cost 



DELIVERY Co5r 



wm Other costs 



.:^:■v;^:>\:A^v^'-\y^^:^■JAi^V:■:■t■/V.^v.■. ■ ::;.. ^ 



1 Z 3 4 9 6 7 e 9 10 11 IZ 13 14 15 16 17 



Total Co 5T per Dollar of 5ale5 (In Cents) 



Fi^. 1. Distribution of operating costs of 41 grain stores. 



18 19 



