Alice Foyle, M.D. (lessee), has a noncancelable 20-year lease with Brownback Realty, Inc. (lessor) for the use of a medical building. Taxes, insurance, and maintenance are paid by the lessee in addition to the fixed annual payments, of which the present value is equal to the fair value of the leased property. At the end of the lease period, title becomes the lessees at a nominal price. Considering the terms of the lease described above, comment on the nature of the lease transaction and the accounting treatment that should be accorded it by the lessee.