need 350 words as main post and 150 words as a response to fellow student please follow apa-RP

Please answer the following questions in detail, provide examples whenever applicable, provide in-text citations.

1. What is the payback period on each of the above projects?
2. Given that you wish to use the payback rule with a cutoff period of two years, which projects would you accept?
3. If you use a cutoff period of three years, which projects would you accept?
4. If the opportunity cost of capital is 10%, which projects have positive NPVs?
5. If a firm uses a single cutoff period for all projects, it is likely to accept too many short-lived projects.” True or false?
6. If the firm uses the discounted-payback rule, will it accept any negative-NPV projects? Will it turn down any positive NPV projects?