Activity A B Normal Time 12 days 10 days 6 days 8 days 5 days Normal Cost Crash Duration $7,000 10 days $6,000 7 days $6,800 4 days $4,500 6 days $2,500 4 days Crash Cost $9,800 $8,700 $7,800 $4,900 $3,200 D E a. What is the crash cost per unit time for each of the activities? B- D- E- b. Which activity should be crashed first to cut one day from the project's duration, calculate the added cost and total cost of project? Answer.. c. Which activity should be the next activity crashed to cut a second day from the project's duration calculate the added cost and total cost of project. Answer.. d. If we want to minimize project duration by 6 days, what should we do? (calculate the added cost and total cost of project) Test Content Question 1 8 Points Five critical path activities are candidates for crashing on a CPM network. Activity details are in the table below. Activity Normal Time Normal Cost Crash Duration Crash Cost A $9,800 $7.000 $6,000 10 days 7 days B $8,700 12 days 10 days 6 days 8 days 5 days S6,800 4 days $7.800 D $4,500 $1,900 6 days 4 days E $2,500 $3,200