trans_recurring1=12M1
                        Annual subscription with monthly charges, $10 each charge 
                        Total amount is $120 for a year
                    
                    
                        trans_recurring1=4Q1 
                        Annual subscription with quarterly charges, $10 each charge
                        Total amount is $40 for a year
                    
                    
                        trans_recurring1=1D5&trans_recurring2=12M1A30
                        5 days trial, then annual subscription with monthly charges, $30 each charge
                        Total amount is $370 for a year and five days
                    
                    
                        
                            trans_recurring1=1D5&trans_recurring2=1D25A20&trans_recurring3=11M1A30 
                            5 days trial, then a "remainder" charge ($20 for 25 days), then 11 months subscription with monthly charges, $30 each payment
                            Total amount is $360 for a year
                
                    
                        
                            trans_recurring1=3M1&trans_recurring2=3M1A20&trans_recurring3=6M1A30
                        
                        Annual subscription: first three months for $10 a month, then three months for $20 a month, then 6 months for $30 a month
                        Total amount is $270 for a year
                    
                    
                        
                            trans_recurring1=1M1&trans_recurring2=2M1A10&trans_recurring3=3M1A20&trans_recurring4=6M1A30&RecurringTransType=0
                        
                        Annual subscription: first month for free, then two months for $10 a month, then three months for $20 a month, then 6 months for $30 a month
                        Total amount is $260 for a year.
                    
                    
                        Important for this sample
                        - TransType must be 1, this ensures first month for free.
                        - Amount should be 1, in order to affect the payment ability of the credit card as less as possible.