A self-propelled combine with a four-row 101.6 cm [40 in] corn head has a list price of $40,000. The diesel engine has a maximum power of 91 kW [122 hp]. The combine is driven at 6.4 km/hr [4 mi/hr] and at a field efficiency of 65% for an average of 150 hours per year. What is the average cost per hour and per hectare [acre]? The combine is expected to be owned for 10 years. Diesel fuel costs 13C/L [49c/gal]