TransactionManager_AntiOcp.cs

public class TransactionManager_AntiOcp
{
    public TransactionManager()
    {
        
    }
    
    public void Payment(string paymentMethod)
    {
        if(paymentMethod == "inbound")
        {
            //process inbound payment
        }
        if(paymentMethod == "card")
        {
            //process outbound payment
        }
        if(paymentMethod == "swift")
        {
            //process swift payment
        }
        if(paymentMethod == "wireTransfer")
        {
            //process wire payment
        }
    } 
}