Which statement is correct?

(a) Accounting standards always specify the classes of fixed assets: the most common being: Land and building, Machinery and equipment, Fixtures and fittings.

(b) Accounting standards may allow businesses to determine the classes of fixed assets that they disclose; common classes of fixed asset are: Land and buildings, Machinery and equipment, Fixtures and fittings.

(a) Account standards never specify classes of fixed assets, and classes of fixed assets disclosed by businesses vary enormously.

(d) Accounting standards may specify the classes of fixed assets; if they do they will required separate disclosure of; Land and buildings, Machinery and equipment, Fixtures and fittings.