(20 marks) [Question 2] A company manufactures electric fans for $1,500 each and the overhead cost of the production process is $30,000. If each electric fan is sold for $4,500, determine the: i. Cost function (5 marks) ii. Revenue function (5 marks) iii. Profit function (5 marks) iv. The number of electric fans needed to be manufactured to break even. (5 marks) (20 marks)