Final answer:
To update a cash T-account with an original balance of $500 after spending $300, the new balance is $200, calculated as $500 original balance minus $300 spent.
Step-by-step explanation:
When you add a T-account for the cash account that has a starting balance of $500 and you then spend $300, the new balance in the cash account will be $200. This is calculated by subtracting the amount spent ($300) from the original balance ($500).
Example T-Account:
- Cash Account
- Debit Side (Original Balance): $500
- Credit Side (Amount Spent): $300
- Debit Side (New Balance): $200