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 Activity Time (days) (days) Cost $800 $250 $600 $750 $1,200 Uw > A Awarw Total Cost with Crashing Immediate Predecessor(s) $1,100 $600 $650 $1,500 $1,650 OD 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.) Each Activity Should be Reduced BY (days) Activity The total cost of crashing the project by 4 days is $ . (Enter your response as a whole number.)