Aproject requires 40,000 cy of compacted fill that must be completed in 32 working days. the fill material will be hauled to the site in 21 cy loose measure trucks. the cycle time for a truck is 40 min. per trip. the swell factor for the earth is 25% and the shrinkage factor is 10%. assume 8 hours per day and a 45-min. effective hour. determine the number of required trucks to complete the project in 32 days.