i need help with question 6:)

10-4. You have just paid $20 million in the secondary market for the winning Powerball lottery ticket. The prize is $2 million at the end of each year for the next 25 years. If your required rate of return is 8 percent, what is the net present value (NPV) of the deal? Internal Rate of Return 10-5. What is the internal rate of return (IRR) of the Powerball deal in question 4? Modified Internal Rate of Return 10-6. What is the modified internal rate of return (MIRR) of the Powerball deal in question 4