ABC Corporation offers a defined benefit plan to its employees, which guarantees a specified retirement benefit based on a formula that considers years of service and average salary during the final years of employment. The company has recently experienced changes that affect its pension obligations, including an increase in the discount rate used to calculate the present value of future pension obligations. Furthermore, the company has decided to alter its policy regarding cost-of-living adjustments (COLAs) for retirees from a fixed percentage increase to a consumer price index (CPI) adjustment.
Considering these changes, which of the following statements reflects the correct accounting treatment or understanding of the defined benefit plan's impact on ABC Corporation's financial statements?