6. Suppose that the following additional information is available for the project in question 5. How much would it cost to shorten the project by 5 days? Which activities would you shorten and by how much? Normal Crash Time Time Activity (Days) Cost (Days) Cost A 15 $450 10 $850 B 5 $300 2 $350 C 21 $950 18 $1,500 D 9 $600 8 $1,600 E 12 $1,200 6 $2,400