8 Tweets 20 reads Dec 28, 2022
/1 Why is a credit card called a โ€œ๐œ๐ซ๐ž๐๐ข๐ญโ€ card?
Why is a debit card called a โ€œ๐๐ž๐›๐ข๐ญโ€ card?
An example of a debit card payment is shown in the diagram below. ๐Ÿ‘‡
/2
๐Ÿ”ธ Each transaction in the business system is transformed into at least two journal lines in the ledger system. This is called ๐๐จ๐ฎ๐›๐ฅ๐ž-๐ž๐ง๐ญ๐ซ๐ฒ accounting, where every transaction must have a ๐ฌ๐จ๐ฎ๐ซ๐œ๐ž account and a ๐ญ๐š๐ซ๐ ๐ž๐ญ account.
/3
๐Ÿ”ธ Each journal line is booked to an account.
๐Ÿ”ธ Each account belongs to one of the three components in the balance sheet:
๐Ÿ’กAsset = Liability + Equity
Letโ€™s look at the issuing bankโ€™s ledger as an example:
/4 Bob pays $100 to the merchant with a debit card. We have two accounts involved in this transaction:
1. Journal line 1 - From the issuing bankโ€™s point of view, Bobโ€™s bank account is a ๐ฅ๐ข๐š๐›๐ข๐ฅ๐ข๐ญ๐ฒ (because the bank owes Bob money). Bobโ€™s bank account is deducted by $100.
/5 This is a ๐๐ž๐›๐ข๐ญ record.
2. Journal line 2 - Bankโ€™s cash is an ๐š๐ฌ๐ฌ๐ž๐ญ and the bankโ€™s cash is deducted by $100.
This is a ๐œ๐ซ๐ž๐๐ข๐ญ record.
The balance sheet equation still balances with the two journal lines recorded in the ledger.
/6 Bobโ€™s card is called a โ€œdebitโ€ card because it is a ๐๐ž๐›๐ข๐ญ ๐ซ๐ž๐œ๐จ๐ซ๐ when paying with a debit card.
๐Ÿ‘‰ Why is this important?
This is how a ledger system is designed, only a real ledger is more complicated.
/7 Applying these strict accounting rules makes reconciliation much easier!
Why is a credit card called a โ€œ๐œ๐ซ๐ž๐๐ข๐ญโ€ card?
Why is a debit card called a โ€œ๐๐ž๐›๐ข๐ญโ€ card? ๐Ÿ‘‡
/8 I hope you've found this thread helpful.
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