Task Predecessor Normal Normal Actual Crash Crash Duration Cost Duration Duration Cost A 3 $300 5 3 $300 B A 4 $400 4 3 $500 C A 5 $500 5 4 $600 D A 6 $600 6 5 $700 B 7 $700 0 4 $1,000 F 8 $800 0 4 $1, 200 G D 9 $900 0 $1,400 H E, F.G 10 $1,000 10 $1,000 Total $5,200 $6, 700