A project was expected to be completed in 12 weeks by a crew of 6 workers. The work was to be completed without overtime, working 40-hour workweeks. Workers were to be paid $30 per hour, including all fringes. Before construction began, the owner decided that the project schedule was to be accelerated by having the workers work 8 hours on Saturdays, with wages paid time-and-a-half on Saturdays. a) What is the revised expected duration of the project? b) What is the added cost due to the acceleration?