Which of the following classification of long$-$term assets is incorrect?

Select one:

a$.$ Long$-$lived assets that are held for sale to customers but not used in normal operations are classified as merchandise inventory.

b$.$ None of the available choices

c$.$ Land that is not used for daily operations but is held for resale or future expansion is classified on the balance sheet as a long$-$term investment. The land holds a building that is used in normal operations

d$.$ Tangible assets that last longer than one year and are used in normal operations are classified as part of property, plant and equipment.