$\backslash$table$[[$Activity$,$Predecessor,Time,,Cost,$],[,,$Normal,Crashed,Normal,Crashed$],[$A$,=,15,13,20000,26000],[$B$,$A$,12,12,25000,25000],[$c$,8,15,13,30000,38000],[$D$,=,15,12,30000,36000],[E,D,15,12,17000,26000],[F,E,15,12,23000,35000],[G,=,16,13,50000,62000],[$H$,G,15,12,40000,60000],[$j$,H,16,9,45000,87000]]$

The normal time and the nomal cost of the project. $(2m)$

The crashed time of the project $(1m)$

Fill zemplate I $($stopes$)(3$m$)$

The trashed cose of itin shing the project in $42$ days by fiting temp $($ate $3$:$(7m)$