Final answer:
The true statements about Managing Accounts are the T-account format and the concept of unit of account.
Step-by-step explanation:
Managing Accounts involves various concepts and statements. Let's identify the true statements:
- T-account is a balance sheet format with a two-column design, the T-shape formed by a vertical line in the middle and a horizontal line under 'Assets' and 'Liabilities' headings. This statement is true based on the given information.
- Unit of account refers to the common way of measuring market values in an economy. This statement is true based on the given information.
Therefore, the correct answer is that the first and third statements are true about Managing Accounts.