chines, but it averages about 10 cents an hour for the relatively slow machines 

 and 50 cents an hour for the more complicated, high-speed machines. Typi- 

 cal direct operating costs which include wear depreciation are given in Table 

 9 for the more important machines. 



Table 9. — Typical Direct Operating Costs, 1949 



* Includes repairs, spray materials, twine, grease, oil, gas, and wear depreciation 

 wherever applicable. A charge for liability insurance was not included as it pertains 

 mostly to doing custom work off the farm and cost is related to receipts from custom 

 work. 



13 



