\f(b) [2 marks] Find the minimum cost to produce q cars when the price of labour (w) is 400 and price of capital (r) is 10? [Hint: the answer would involve q.] N (c) [2 marks] Using the answer to part (c), we can show that Carmaker's supply function is of the following form: (a + bp for p > AVCmin q = 1 0 for p = AVCmin where AVC stands for average variable cost. Find a, b, and AVCmin