What is the lowest cost to complete this What is the lowest cost to complete this project in 70 weeks? Times are in weeks and costs in dollars. Activity Pred Normal Time Min Time Normal Cost Crash Cost A -- 10 7 2000 2000 B A 5 3 1000 3000 C A 12 9 3000 1500 D B, C 20 15 5000 3000 E D 8 6 2500 2500 F D 14 10 3000 2500 G E, F 12 10 6000 5000 H G 15 12 9000 3000project in 70 weeks? Times are in weeks and costs in dollars