Question 43 (4 points) For the given project data determine the following: a. Normal completion time and cost. b. Crash the project as far as possible and calculate the most economical crash cost and time. Immediate predcommon Espected time (woeka) Activity Minimum time (weaka) A 3 6 2 7 Normal cont ($) 3,000 7,200 2,000 7,000 4.000 3,000 Expediting cost per week (s/week) 1,500 1,000 2,000 2,000 A A CB B 2 4 1 3 1 2 3 1,500 The normal completion time is: 22 weeks 18 weeks 15 weeks 10 weeks None of the above