Which of the following is/are correct about the Theory of Labour Welfare?

1. Placating Relation Theory considers work as a sort of advertisement and help an organization to project its good image and build up and promote good and healthy public relations.
2. The Public relation theory advocates timely and periodical acts of labour welfare to appease the workers.
3. The Trusteeship theory holds that the industrialists or employers hold the total industrial estate, properties and profits accruing form them in trust for the workmen, for him, and for society.