XYZ Inc. is deciding whether to buy a new building. The building will increase cash flows by $4,000,000 per year. The building has a 15-year life and will be obsolete 15 years from today. The building is current priced at $20 million. The cost of the building will decline by $1,000,000 per year until it reaches 10 million, where it remains until it is obsolete. The required rate of return is 15%.

1. Calculate the NPV of the project assuming the project is started today. (Round to 2 decimals)

2. Assuming XYZ is willing to wait and risk not being able to acquire the build, how many years from today should they wait to purchase the building to maximize the NPV?