At this hourly income rate, computer scientists earned $103,160 a year on average, assuming a combined 2,080 hours of work and paid vacation/holidays a year. The median hourly pay of computer scientists was $48.59, which means half of employees in the field earned more than $48.59 an hour and half made less.
Automotive Technology by James D. Halderman starting at $69.51. Automotive Technology has 1 available editions to buy at Alibris
Maybe they just copied some of the Ariens web page information? Gravely's newest walk-behind units - which range in price from $8K to $20K - are nothing more than re-badged Rapid units - made by a company in Switzerland, I believe. The Rapid tractors have actually developed an excellent reputation for small farm applications in Europe.