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-Book Keeping Challenges / Issues
-  - Chart of Accounts is not sufficient
-    - One payment can go towards more than one charge
-    - One charge can be paid for by more than one payment
-    - Need to know: how much money does customer owe?
-    - Need to know: how much money has customer been charged for "Rent"?
-    - Need to know: how much money has customer paid towards "Rent" (nothing else)?
-
-
-  - Reverse a charge
-    To make charge reversal work, I'm presently issuing a credit note
-    (transaction) that has 3 ledger entries:
-       Debit charged account   -  Credit A/R
-       Debit A/R               -  Credit "Credit" account
-       Debit "Credit" account  -  Credit A/R
-    And 3 statement entries:
-       Reversal on charged account
-       Negative Disbursement on "Credit" account
-       Positive Disbursement on "Credit" account
-
-    Obviously, the two "Credit" account ledger entries cancel each other
-    out.  However, the monies need to be reversed in the A/R account, and a
-    previous transaction will have already performed an A/R credit and so
-    the two A/R credits will create an imbalance in A/R unless we move
-    those funds to our "Credit" account.  The "Credit" account statement
-    entries are needed to undo any previous disbursement to the charge
-    being reversed, and then to re-disburse those funds to a different
-    charge (or possibly just a Surplus entry if no other charges exist.)
-
-
-Question
-  - What should be recorded with this charge reversal?
-    Charge of $5 for "Parking"
-    Charge of $6 for "Rent"
-    Payment of $6
-    Reverse the $5 "Parking" charge
-
-  - What should be recorded with this charge reversal?
-    Charge of $5 for "Parking"
-    Charge of $6 for "Rent"
-    Charge of $7 for "Pets"
-    Payment of $13
-    Reverse the $5 "Parking" charge
-
-  - What should be recorded with this charge reversal?
-    Charge of $5 for "Parking"
-    Charge of $6 for "Rent"
-    Charge of $7 for "Pets"
-    Payment of $18
-    Reverse the $5 "Parking" charge
-