A project manager is faced with the following activities and times associated with a building construction. Each activity can be crashed at most by 2 weeks. The cost associated with each week time reduction is given below. Activity Immediate Predecessor Normal Time (weeks) Crash Cost 1st week Crash Cost 2nd week A - 6 $5,000 $9,000 B - 5 $3,000 $8,000 C A 4 $10,000 $9,000 D B 3 $4,000 $8,000 E C,D 2 $10,000 $14,000 F C,D 3 $12,000 $15,000 G F 4 $14,000 $18,000 What is the earliest completion time for the project? What is the latest completion time for the project? What is the minimum cost to reduce the project time by 3 weeks? Which activities need to be reduced? What is(are) the critical path(s) after the time reduction?