please answer a,b & c. thank you

EXERCISE 8.2 Calculate the tax payable in the following situations: (a) A company that has a taxable income of R1.2 million for its financial year ended 31 December 2021 . (b) An individual (aged 26) that has a taxable income of R280 000 for his/her tax year ending 28 February 2022. (c) An individual (aged 77) that has a taxable income of R390 000 for his/her tax year ending 28 February 2022 2022 tax year (1 March 2021 - 28 February 2022)