Cole Consulting will develop a science curriculum for online high school teach$-$ing. The project tasks are listed below along with their estimated duration.$$TASK Predecessors AB C $---$Normal Time $($ti weeks$)234$ Crash Time $($ti$)112$ Normal Cost $($ci$)$ Crash Cost $($ci$)1000120020021002500$Max Crash$($Mi$)12$ Crash Cost$/$Weeks $($ki$)200250$ D A $74150016005008003100$ E B $6390012003100$ F G C D$,$ E $15580010501051250130017505100$