Question - 
            
            
            
            
            Answer - 
            The evidence provided by the source document is important in the following manners:
1.	It provides evidence that a transaction has actually occurred.
2.	It provides important and relevant information about date, amount, parties involved and other details of a particular transaction.
3.	It acts as a proof in the court of law.
4.	It helps in verifying transactions during the auditing process.