please i need help with all of these

thank you

Suppose you are offered a project with the following cash flows: a. What is the IRR of this offer? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. If the appropriate discount rate is 10 percent, should you occept this offer? Reject Accept c. If the appropriate discount rate is 19 percent, should you accept this offer? Reject Accept d-1. What is the NPV of the offer if the appropriate discount rate is 10 percent? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) d-2. What is the NPV of the offer if the appropriate discount rate is 19 percent? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)