Section A Weiping's consulting firm needs new quarters. A downtown office building is ideal. The company can either buy or lease it. To buy the office building will cost $ 6,000,000. If on the other hand the building is leased the lease fee is $400,000 payable at the beginning of each year. In either case, the company must pay city taxes, maintenance, and utilities Weiping figures that the company needs the office space for only 15 years. Therefore, they will either sign a 15 year lease or buy the building. If they buy the building, they will then sell it after 15 years. The value of the building at that time is estimated to be $15,000,000 What is the internal rate of return