On January 1, 2021, Worchester Co. leased non-specialized machinery under a 6-year lease. The machinery has a 10-year economic life. The present value of the monthly lease payments is determined to be 70% of the machinery's fair value. The lease contract includes neither a transfer of title to Worchester nor a bargain purchase option. Worchester will record straight-line lease expense:. a. if using IFRS, but not U. S. GAAP.
b. if using U. S. GAAP, but not IFRS.
c. if using either U. S. GAAP or IFRS.
d. neither using U. S. GAAP nor IFRS.