please answer both questions I am almost out of questions and I have finals to finish. Ill give thumbs up!

You are valuing an investment that will pay you $326 per month for the first 5 years, $334 per month for the next 5 years, and $310 per month the following 6 years (all payments are at the end of each month). Another similar risk investment alternative is an account with a quoted annual interest rate of 7.6% with monthly compounding of interest. What is the value in today's dollars of the set of cash flows you have been offered? Answer: You are valuing business that will pay you $0 per month for the first 3 years, $344 per month for the next 4 years, growing at 2.3% per year compounded monthly. Another similar risk investment alternative is an account with a quoted annual interest rate of 7.0% with monthly compounding of interest. What is the value in today's dollars of the business