What is the minimum cost of crashing the following project that Roger Solano manages at Slippery Rock University by 4 days? Normal Crash Time Normal Total Cost Immediate Activity Time (days) (days) Cost with Crashing Predecessor(s) A 6 5 $900 $1,000 B 8 6 $300 $400 C 4 3 $500 $600 D 5 3 E 8 5 $900 $1,000 $1,200 $1,600 A C By how many days should each activity be crashed to reduce the project completion time by 4 days? Fill in the table below. (Enter your responses as whole numbers.) Activity A B C Each Activity Should be Reduced BY (days) D E The total cost of crashing the project by 4 days is $ (Enter your response as a whole number.)