You are approached to review an application code having performance issues. It is estimated that the code review will take 1 person year to go through all the code line by line. What is your recommendation in this scenario
Take up the work and complete the review in estimated time
Ask the customer to find exactly which part of the code has performance issue
Take customers help to identify the portion(s) of the code that potentially have performance issues
Recommned to use an automated tool to review the code to complete in quick amount of time