Plz tell me one or three-fourth page information on money as a medium of exchange .....

Plz tell me one or three-fourth page information on money as a medium of exchange ..... MOKe a project on tne topic WV/oney & cremr unaer tne Tonownng necas Formal sector of credit- Banks & cooperative- Informal sector of credit- SHG- Money lender' advantages & disadvantages),