Final answer:
The statement is False. Not all personal property placed in service in 2018 and used in a trade or business qualifies for additional first-year depreciation.
Step-by-step explanation:
The statement is False. While it is true that all personal property placed in service in 2018 and used in a trade or business may qualify for first-year depreciation, not all property qualifies for additional first-year depreciation. Additional first-year depreciation is an enhanced depreciation deduction that allows businesses to deduct a larger portion of the cost of qualifying property in the year it is placed in service. It is not automatically available for all personal property placed in service in 2018.