A company, XYZ Corp., holds a 40% equity investment in a manufacturing company, ABC Inc. Due to a significant downturn in the manufacturing sector, the fair value of the investment in ABC Inc. has declined below its carrying value on XYZ Corp.'s balance sheet. XYZ Corp. assesses whether the impairment is other-than-temporary according to the relevant accounting standards.
What is the correct accounting treatment for the impairment of this investment?