The following information was taken out from a production schedule for a manufacturer of shoes. It shows how the total output changed as different amounts of labour were used in a production plant that remained unchanged throughout 1.1 Fill in the missing information in the table, (a) - 0). (10 marks) Number of workers Output (a) 0 0 (b) 1 5 (d) 18 (c) 7 le) (f) le) 0 2 3 4 5 6 7 8 21 22 (h) 19 (0) 0) 13 1.2 With the aid of a well labelled diagram, use the information filled in question 1 1 to identify and explain the economic phenomenon presented by the output schedule. (10 marks)