this is tax please help

Kingsmead Limited has excess cash reserves and the board of directors has decided to buy back some of the company's issued shares. All the shareholders are given the share buyback option, but only one shareholder, Samuel, a natural person, opts to take up the offer. Samuel purchased 15\% of Kingsmead Limited's shares in 2011 for R30 000. Kingsmead Limited offered Samuel R60 000 for the full repurchase of his shares, of which R20 000 reduced Kingsmead Limited's contributed tax capital. Both Kingsmead Limited and Samuel are residents of South Africa. REQUIRED: Discuss the tax implications of the share buyback transaction. Support your answer with calculations. (14 marks) Kingsmead Limited has excess cash reserves and the board of directors has decided to buy back some of the company's issued shares. All the shareholders are given the share buyback option, but only one shareholder, Samuel, a natural person, opts to take up the offer. Samuel purchased 15\% of Kingsmead Limited's shares in 2011 for R30 000. Kingsmead Limited offered Samuel R60 000 for the full repurchase of his shares, of which R20 000 reduced Kingsmead Limited's contributed tax capital. Both Kingsmead Limited and Samuel are residents of South Africa. REQUIRED: Discuss the tax implications of the share buyback transaction. Support your answer with calculations. (14 marks)