Which of following statements is false? Select one: Oa. Revenue is recognised in the accounting period when the performance obligation is satisfied Ob. When a contract modification is treated as a separate performance obligation or prospectively, the same amount of revenue is recognised before and after the modification O if the performance obligation is not highly dependent on, or interrelated with, other promises in the contract, then each performance obligation should be Od accounted for separately A performance obligation is a written guarantee in a contract to provide a product or service to a customer