Final answer:
Under IFRS, research expenditures are expensed in the period incurred, while development expenditures are capitalized and amortized.
Step-by-step explanation:
Under International Financial Reporting Standards (IFRS), research and development expenditures are treated differently. Research expenditures that meet certain criteria are expensed in the period incurred, while development expenditures are capitalized and amortized over time.