Answer the next three questions using the following information: Three critical path activities are candidates for crashing on a CPM network. Activity details are in the table below. Activity A B D E Normal Time 9 days 5 days 12 days 10 days 7 days Normal Cost $8,000 $2,000 $9,000 $10,000 $6,000 Crash Duration Crash Cost 7 days $12,000 3 days $10,000 11 days $12,000 9 days $15,000 7 days $6,000 Which activity should be crashed first to cut one day from the project's duration? B C D E Which activity should be the next activity crashed to cut a second day from the project's duration? A OB D OE Assuming no other paths become critical, if the project is shortened to its maximum, how much cost will be added to the project. $20000 $35000 $55000 $15000 $40000