all steps please

10. A scraper has an annual cost of ownership of $165,500. Operating costs typically run $85/hour. a. If you plan on operating it 1,800 hours per year, what is your hourly cost of ownership and operation? b. If you can move 45 cubic yards per hour, what is your hourly cost of production? C. CPM The following questions pertain to the activity-on-node diagram below, with tasks, durations (in days) and precedents as indicated: B6 G 8 H 9 A 5 C 3 F 6 7 D 4 E 4