Can someone please help me with this question. Detailed explanation would be helpful! Thanks.

A project that costs $852,468.77 to install will provide annual cash flows of $249,000.00 for each of the next 9 years. a. Calculate the NPV If the discount rate is 23.50%? (Do not round Intermediate calculations. Round your answer to 2 decimal places.) NPV b. Is this project worth pursuing? Yes ONO c. How high can the discount rate be before you would reject the projecte. What is the projects IRR)? (Do not round Intermediate calculations. Round your answer to 2 decimal places.) Discount rate