A D9 Dozer with a 410 hp engine is utilized on a project pushing Aggregate in a stockpile. The Dozer is diesel powered and it is estimated to work a 40 minute hour. The Throttle load factor is estimated at 45% for the project conditions. If diesel costs 4.21 per gallon, what is the Fuel Cost per Hour for the Dozer (round to the nearest hundreth)? Question 61 5 pts Your contracting business is purchasing a scraper for $800,000. The tires for the machine cost $31,000 and you expect to keep the scraper for 6 years, after which you expect to sell it for $180,000. You anticipate that you will use the scraper 1,750 hours per year and your company has a cost of capital of 9%. Assuming no major repairs or overhauls, what is the Average Annual Investment (AAI) per year? Your contracting business is purchasing a scraper for $808,000. The tires for the machine cost $49,000 and you expect to keep the scraper for 6 years, after which you expect to sell it for $262,000. You anticipate that you will use the scraper 1,900 hours per year and your company has a cost of capital of 9%. Assuming no major repairs or overhauls, what is the Depreciation Cost per Hour of the Scraper? Question 63 A 140 Motor Grader will be used to maintain a 2,500 ft haul road. It is estimated that this work will require 2 passes in second gear and 2 passes in third gear. Use an efficiency factor of 75%. Grader speeds are given in the chart below. How much time in minutes is required to perform this task? Round to the nearest whole minute. Forward Maximum Travel Speed Gear First Second Third Fourth 2.2 3.0 4.3 5 pts 6.0