The following function expresses an income tax that is 10% for annual incomes below M50 000, and other is M5 000 plus 30% of income in excess of M50 000 . a) Calculate the tax on an income of M30 000 (2 marks) b) Calculate the tax on an income of M50 000 (3 marks) c) Calculate the tax on an income of M250 000 (3 marks) Question 3 A steel mill company finds that its cost function is Maloti, where is the daily production of steel in tons. a) Find the marginal cost function. (6 marks) b) Find the marginal cost when 64 tons of steel are produced. (4 marks) The following function expresses an income tax that is 10% for annual incomes below M50 000, and other is M5 000 plus 30% of income in excess of M50 000 . a) Calculate the tax on an income of M30 000 (2 marks) b) Calculate the tax on an income of M50 000 (3 marks) c) Calculate the tax on an income of M250 000 (3 marks) Question 3 A steel mill company finds that its cost function is Maloti, where is the daily production of steel in tons. a) Find the marginal cost function. (6 marks) b) Find the marginal cost when 64 tons of steel are produced. (4 marks)