May I ask for an explanation and solution to the question for a better understanding. Thank you!

Problem 5. Your firm is evaluating a project that should generate revenue of P4,600 in year one, P5,200 in year two, P5,900 in year three, and P5,700 in year four. The firm receives each cash flow at the end of each year. If your firm's required return is 12%, compounding semi-annually, what is the future value of these cash flows at the end of year four