If payment is made in cash by the producer, the estimated cost over 

 5- and 10-year periods is shown in Chart 3. This is interpreted similarly 

 to Chart 2.* 



Calculating Expected Use 



The importance of selecting the most economical size of tank has been 

 illustrated in terms of cost per hundredweight of milk sold. How to arrive 

 at the best estimate of tank size will of course depend on the accuracy of 

 the calculation of the expected production and usage during the lifetime 

 of the tank. This estimate may be based on present or past milk production, 



CHART NO. 2 



RNANCE COST PER HUNDRED WEIGHT OF MILK SOLD 

 RELATED TO PERCENTAGE OF TANK UTILIZATION 



40 eo 



20 40 60 80 ICO 20 40 60 



FERCEr^TTAGE OF TANK UTILIZATION 



60 iOO 



•Details are given in x\ppendix 2. 



