$\backslash$table$[[$Activity$,\backslash$table$[[$Normal$],[$Time $($days$)]],$Normal Cost $($$$),\backslash$table$[[$Crash$],[$Time $($days$)]],$Crash Cost $($$$),$Immediate Predecessor$($s$)],[$START$,0,0,0,0,-],[$A$,7,50,5,290,$START$],[$B$,5,40,2,280,$START$],[$C$,4,70,2,330,$B$],[$D$,7,20,4,110,$A$,$ C$],[$E$,6,30,6,30,$A$,$ C$],[$F$,10,80,9,190,$B$],[$G$,8,50,5,320,$D$],[$H$,7,60,6,100,$E$,$ F$],[$FINISH$,0,0,0,0,$G$,$ H$]]$

a$.$ Using the normal times for each activity, what is the earliest date you can complete the project?

The corresponding project duration using the normal times is

days. $($Enter your response as an integer.$)$