Suggest a plan of actions that, you, as a mine manager, can follow to implement a comprehensive change management process to reduce cost and increase productivity in a market environment where the demand of the product you are mining has dropped substantially while the price has decreased. 4.1 Explain how cost curves can help a mining company make informed decisions about production and cost management. (5) 4.2. The following Table gives information about the behaviour of costs in the short-run. 4.2.1 Calculate and fill in the missing data in the Table. 4.2.2 Analyse the data (comments) and confirm your findings by drawing all the cost curves. (20)