$\backslash$table$[[$What is the ES for Activity D$?,,],[$What is the LF for Activity E$?,2,],[$What is the slack for the start of Activity E$?,2,],[$What is the slack for the end of Activity E$?,,],[$What is the slack for the end of Activity B$?,,],[$What is the length of the project?,,time periods.$]]$Given the following information, compute the early, late, and slack times for the project network.

$\backslash$table$[[$ID$,$Task,Duration,Predecessor,$\backslash$table$[[$Additional Lag$],[$Relationships$]],$Lag$],[$A$,$Interview users,$11,,,],[$B$,$Define new features,$8,$A$,\backslash$table$[[$Start$-$start A to B$],[$Finish$-$finish A to B$]],\backslash$table$[[8],[5]]],[$C$,$Order components,$3,$B$,,],[$D$,$Build prototype,$9,$C$,$Finish$-$start C to D$,8],[$E$,$Test,$6,$C$,\backslash$table$[[$Finish$-$start C to E$],[$Finish$-$finish D to E$]],\backslash$table$[[5],[4]]],[$F$,$Field test,$10,$E$,,]]$