There were two vacanies for the post of Assistant Manager in 'Gyan Electrics Privete Ltd'. 'Parth' the Human Resources Manager indentified one suitable andidate 'Vishwas' from within the organisation and promoted him to the post of Assistant Manager. For anothre post, the Manager 'Parth' took help o a placement agency and seleted 'Saleem's performance though 'Vilahwa' was less qualified than 'Saleem'. Hence, 'Parth' decidede that in future he will not make nay appointment with the help of an outside source. Explain any four reasons on the besis of which 'Parth' would have taken the above decision.