Why and how is the answer A$?41)$ Given the cost information in the table, what is the cheapest activity to crash on a per week basis? Normal Normal Crash Crash Activity Time Cost Time Cost JA $8$ $$1,0005$ $$6,000$ B $62,00046,000$ C $92,50068,000$ D $124,000810,000$ A$)$ Activity A B$)$ Activity B C$)$ Activity C D$)$ Activity D Answer: A Diff: $2$ ai $10201.$:$.$ D ai