Laura has the choice of being either employed or self-employed. If employed, Laura's gross annual salary for the tax year 2020/21 will be 38,500. If self-employed, Lorna's trading profit for the year ended 5 April 2021 will be 38,500. How much more national insurance contributions will Laura suffer for the tax year 2020/21 if she chooses to be employed rather than self-employed? A) E870 B E1,155 E713 D 970