A small software development project at Krishna Dhir's firm has five major activities. The times are estimated and provided in the table below:

$\backslash$table$[[,$Immediate,,,$],[$Activity$,$Predecessor,a$,$m$,$b$],[$A$,-,2,5,8],[$B$,-,3,6,9],[$C$,$A$,4,7,10],[$D$,$B$,2,5,14],[$E$,$C$,3,3,3]]$