Nielson Motors has a debt-equity ratio of 1.8, an equity beta of 1.6, and a debt beta of 0.20. It is currently evaluating the following projects, none of which would change Nielson's volatility. Which of the following projects should Nielson Motors accept?

Group of answer choices

1 only

1, 2, and 3 only

1 and 4 only

2, 3, and 5 only