'Human life is built around works'. Identify the form of Business Organisation being talked about in the following sentences:

(a) 'The one-man control is the best in the world if that man is big enough to manage everything.'

(b) 'Two heads being better than one.'

(c) 'Self-help as well as mutual help system.'

(d) The birth of this legal person is by law and can be put to death by law only.