D Fit TiF Time Time Cost Time Cost Activity Cost/ Day Normal Crash Normal Difference Difference A T $1000 B 3 2 $2,000 1 $10D $100 6 1 $1000 5 $450 6 $1,000 2 E N 1 $1000 1 140 640 6 $1.000 4 $320 $1,000 2 $75 I. $1,OOD 1 560 $1.000 1 $150 $150 1. What is the project duration before compression? 21 days 18 days 19 days 23 days