Pregunta: Please correct my Pert chARTIdentification of need (No predecessors)Preliminary Investigation (Predecessor: Identification of need)Feasibility Study (Predecessor: Preliminary Investigation)TechnicalOperationalEconomicalProject Planning (Predecessor: Feasibility Study)Project Scheduling (Predecessor: Project Planning)Software Requirement Specification

Please correct my Pert chART

Identification of need $($No predecessors$)$

Preliminary Investigation $($Predecessor: Identification of need$)$

Feasibility Study $($Predecessor: Preliminary Investigation$)$

Technical

Operational

Economical

Project Planning $($Predecessor: Feasibility Study$)$

Project Scheduling $($Predecessor: Project Planning$)$

Software Requirement Specification $($Predecessor: Project Scheduling$)$

Data Models $($Predecessor: Software Requirement Specification$)$

Introduction $($No predecessors$)$

Information Gathering methodology $($Predecessor: Introduction$)$

Analysis of existing system $($Predecessor: Information Gathering methodology$)$

Data Analysis $($Predecessor: Analysis of existing system$)$

Weakness of the Current System $($Predecessor: Data Analysis$)$

Analysis of the Proposed System $($Predecessor: Weakness of the Current System$)$

Non$-$Functional Requirements $($Predecessor: Analysis of the Proposed System$)$

Data Modeling for Proposed System $($Predecessor: Non$-$Functional Requirements$)$

System Design $($Predecessor: Data Modeling for Proposed System$)$

Architectural Design $($Predecessor: System Design$)$

Physical Design $($Predecessor: Architectural Design$)$

Database Design $($Predecessor: Physical Design$)$

Program Design $($Predecessor: Database Design$)$

Interface Design $($Predecessor: Program Design$)$

Security back up design $($Predecessor: Interface Design$)$

Introduction $($No predecessors$)$

Coding $($Predecessor: Introduction$)$

Testing $($Predecessor: Coding$)$

System Testing $($Predecessor: Testing$)$

Installation $($Predecessor: System Testing$)$