b. What is the minimum total cost associated with completing the project in 15 weeks?

c. What is the total time of the minimum-cost schedule?

The table below contains data for the installation of new equipment in a manufacturing process at Excello Corporation. Your company is responsible for the installation project. Indirect costs are $10,000 per week, and a penalty cost of $6,000 per week will be incurred by your company for every week the project is delayed beyond week 12. Activity Immediate Predecessor(s) A B Normal Time Crash Time Normal Cost (weeks) (weeks) ($) 3 1 7,000 2 2 3,000 3 1 12,000 4 3 12,000 1 1 8,000 6 4 5,000 3 2 9,000 Crash Cost ($) 14,000 3,000 40,000 22,000 8,000 13,000 16,000 D E F B D, E E G a. What is the shortest time duration for this project regardless of cost? The shortest project duration regardless of cost is weeks. (Enter your response as a whole number.)