Consider the following statements about Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA) 2005.

1. It provides at least 100 days of guaranteed wage employment in a financial year.

2. There is a limit for minimum wages, to be paid with gender equality.

3. The unemployment allowance must be paid if the work is not provided within the statutory limit of 15 days.

4. It is triggered by the demand for work by wage-seekers and provided as their legal right.

Which of the statements given above is/are correct?