$\backslash$table$[[$Activity$,\backslash$table$[[$Predecessor$],[$Activity$]],\backslash$table$[[$Optimistic$],[$estimate of$],[$time$]],\backslash$table$[[$Most likely$],[$estimate of$],[$time$]],\backslash$table$[[$Pessimistic$],[$estimate of$],[$time$]]],[$A$,-,2,4,6],[$B$,$A$,8,11,20],[$C$,$A$,10,15,20],[$D$,$B$,12,18,24],[$E$,$C$,8,13,24],[$F$,$C$,4,7,16],[$G$,$D$,$F$,14,18,28],[$H$,$E$,10,12,14],[$I$,$G$,$H$,7,10,19]]$