$($B$)$

Construction of CRITICAL PATH METHOD

$\backslash$table$[[,$Activity,$\backslash$table$[[$Duration$],[($days$)]],$ES$,$EF$,$LS$,$LF$,$TF$,$FF$],[$A$,$Project Initiation,$5,0,5,0,5,0,0],[$B$,$UI$/$UX Design,$10,5,15,5,15,0,0],[$C$,$Design Approval,$3,15,18,15,18,0,0],[$D$,$Front$-$end Dev,$15,18,33,18,33,0,0],[$E$,$Back$-$end Dev,$20,33,38,33,38,0,0],[$F$,$Integration,$5,38,43,38,43,0,0],[$G$,$Unit Testing,$7,43,50,43,50,0,0],[$H$,$Integration Testing,$5,50,55,50,55,0,0],[$I$,$UAT,$2,60,62,60,62,0,0],[$J$,$Prepare Deployment,$3,62,65,62,65,0,0],[$K$,$Deploy to Production,$5,65,70,65,70,0,0],[$L$,$Monitoring & Support,$5,55,60,0,0,,]]$