use excel to answer these questions

6. You own a building that a local business wants to rent for the next 10 years. The business owner has offered to pay $60,000 today or pay $10,000 at the end of each of next 10 years. If your required rate of return is 12%, which payment schedule should you accept? 7. How much would you pay to participate in a real estate project that pays nothing for the first 10 years and $4,500 for the following 10 years if you can earn 13% return on other investments of similar risk