please help

1. Beanstalk Computers has a WACC of 5.75% and is considering a project with the following cash flows: Calculate the NPV of the project and make a recommendation with a reason. 2. Instant Fashions is considering a project with the following cash flows: Calculate the IRR of the project and make a recommendation with a reason, if the WACC is 23.25%. 3. Goofy Gummies is considering a project with the following cash flows: Calculate the payback period of this project. 4. Nutters and Bolters, with a WACC of 10%, is considering a project with the following cash flows: Calculate the discounted payback period of this project