public AccountReceivableAgent Update(AccountReceivableAgent accountReceivableAgent)
 {
     accountReceivableAgentRepository.Update(accountReceivableAgent);
     return accountReceivableAgent;
 }
 public AccountReceivableAgent Add(AccountReceivableAgent accountReceivableAgent)
 {
     accountReceivableAgentRepository.Add(accountReceivableAgent);
     return accountReceivableAgent;
 }