on january 1, year 1, tile co., as lessee, entered into a 5-year finance lease for equipment. the present value of lease payments is $120,000, which includes a $5,000 purchase option. at the end of the lease, tile expects to exercise the purchase option. the equipment has an 8-year useful life. for the year ended december 31, year 1, what amount would tile recognize as amortization expense on the right-of-use asset?