Can I get some help on some of these true or false questions. Please give a 1 line reasoning answer for each.

Indicate whether the following statements are True/False. Justify your answer in 1 line.

1.1 When analyzing projects with the IRR, projects with IRR below MARR have to be discarded.

1.2 When performing a cost/benefit analysis with multiple options, the best option is the one with the highest B/C ratio.

1.3 Discounted Payback Period method is a useful tool when deciding projects and can be used instead of PW method because its more reliable in terms of when the project's profit will equal the project's cost and still is considering the time value of money.

1.4 When analyzing projects it's safer to consider that the initial cost is more likely to be higher than expected, that sales are more likely to be lower than the target, and product life likely be longer than expected.

1.5

The main difference between an expense and depreciation is that expenses are taxes deductible while depreciation is not.

1.6

In the US taxes can be both, federal and state taxes. Therefore considering the federal flat tax rate of 21%, if state taxes in California are 8.8% then the company will pay a combined rate of 29.9% tax rate.