The balance in the accumulated depreciation account represents the: a. cash fund to be used to replace plant assets. b. amount to be deducted from the cost of the plant asset to arrive at its fair market value. c. amount charged to expense since the plant asset was put into service. d. amount charged to expense in the current period.

Which (if any) of the following scenarios is the result of a natural monopoly? instructions: you may select more than one answer. a. patent holders of genetically modified seeds are permitted to sue farmers who save seeds from one planting season to the next. b. doctors in the united states are prohibited from practicing without a medical license. c. there is one train operator with service from baltimore to philadelphia. d. coal is used as the primary energy in a country with abundant coal deposits.