Interest on a savings account is calculated at 0.3% per month based on the minimum monthly balance. The following statement lists all the transactions on an account for January–March one year. The interest, in dollars, for the month of February is:

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The question asks: 'Interest on a savings account is calculated at 0.3% per month based on the minimum monthly balance. The following statement lists all the transactions on an account for January–March one year. The interest, in dollars, for the month of February is:'

Option presented: b. $0.68

To determine the February interest, we need the minimum balance for February and the monthly rate of 0.3% (0.003 as a decimal). The interest calculation would be: Interest_Feb = 0.003 × (minimum balance in February).

Key point: The problem statement as provided here does not include the actual transaction details or the minimum balance for February. Without the February minimum balance, we cannot compute the exact interest amount.

If we attempted to verify the candidate result of $0.68, we could reverse-engineer the required minimum February balance: B = 0.68 / 0.003 = 226.666..., which suggests a February minimum balance of about $226.67. However, this assumes the February minimum balance exactly equals that amount; real-world balances would need to be checked from the transaction statement to confirm.

What affects the conclusion:
- If February’s minimum balance was $226.67 (or any amount yielding 0.003 × B = 0.68), the interest would be $0.68.
- If February’s minimum balance differed, the interest would be 0.3% of that different balance, leading to a different dollar amount.
- Any mistakes or ambiguities in identifying the true minimum balance (for example, misreading the statement or excluding a date with a lower balance) would lead to an incorrect interest figure.

In summary, the exact February interest cannot be determined from the information given here because the February minimum balance is not provided. If you have the February minimum balance from the January–March statement, multiply it by 0.003 to get the exact interest for February. The value $0.68 would be correct only if the February minimum balance were approximately $226.67. Otherwise, the computed interest will differ accordingly.

Interest on a savings account is calculated at 0.3% per month based on the minimum monthly balance. The following statement lists all the transactions on an account for January–March one year. The interest, in dollars, for the month of February is:

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