You are moving 300 CCY per hour of material from the cut to the fill along a haul road that is 6,000 lf long. The dry unit weight of the material is 2,500 lb/CCY with a 12% water content. The elevation of the cut is 500 feet above sea level. The project manager anticipates the completion of the embankment, which is at an elevation of 900 feet, can be completed in 65 hours using a spread of 4 scrapers, 2 dozers, 1 compactor, and a water truck. What is the grade resistance as a percent when hauling from the cut to the fill