question content areaon june 1 of the current year, tab converted a machine from personal use to rental property. at the time of the conversion, the machine was worth $90,000. five years ago, tab purchased the machine for $120,000. the machine is still encumbered by a $50,000 mortgage. what is the basis of the machine for cost recovery? a.$90,000 b.$120,000 c.$70,000 d.$140,000