Compute the solution of the following question

Question- Consider a property with expected future net cash flows of $50,000 per year for the next 5 years (starting one year from now). After that, the operating cash flow should step up 20%, , for the following 5 years. If you expect to sell the property 10 years from now for a price 12 times the net cash flow at that time.

Part 1- What is the value of the property if the required return is 10%?

I want help to find the value of the property.