are purname 1. mencetary charge 00 Save Retu Later 8/15/2020,9.09 Question 67 of 75. Nonresidential real property placed in service after 1986 and before May 13, 1993, is depreciated using The straight-line method over 31.5 years. The straight-line method over 39 years. A 150% declining basis method over 31.5 years. A 150% declining basis method over 39 years. Mark for follow up