THE FUNCTIONS OF A COST SYSTEM 3 



d. Sire. 



e. Miscellaneous. 



The credit items which should be deducted as special credits 

 in order to determine the net cost of production are as follows: 



1. Calves. 



2. Manure. 



The diagram below is given to show the relation of cost 

 items to net cost of production, under certain conditions. The 

 feed and labor costs are spoken of as prime costs, and they 

 constitute about 90 per cent of the total cost of production. 



This diagram is given simply to show the cost factors and 

 approximately their relative proportions to the total cost under 

 particular prices and conditions, and although it represents 

 actual conditions in some sections at the present time, it is 



