Activity Normal Time $($weeks$)$ Crash Time $($weeks$)$ Normal Cost Total Cost with Crashing Immediate Predecessor$($s$)$

A $43$ $$2,100$ $$2,750-$

B $21$ $$2,300$ $$2,900-$

C $33$ $$500$ $$500-$

D $84$ $$2,400$ $$2,700$ A

E $63$ $$800$ $$1,100$ B

F $32$ $$3,200$ $$4,700$ C

G $42$ $$1,500$ $$2,000$ D$,$ E$$b$)$ The total cost required for completing this project on normal time$=$$

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