155 of 175 For a particular project, it is estimated that a 20,000 LF, 4-way, concrete encased duct-bank is to be installed. The budgeted production crew rate is 8 hours per 300 LF and at a cost of $250 per 100 LF. During a reporting period, 60% of the duct-bank has been installed and 300 crew hours have been expended at a cost of $30,000. What is the schedule variance? Assume behind schedule is a negative (-). 30 20 For 1 paine