(12) 4 Briefly describe what the profit maximisation rule is and comment 5 on the quantity at which the brickyard (business) maximises its profits. Draw well-labelled TC and TR curves for the brickyard using the values you have determined above. 6 Use practical examples that brickyards (businesses) can use to differentiate between short and long-run costs. MOGALAKWENA ECONOMICS GRADE 11 COMMON TASK MAY 2023 [RESEARCH PROJECT] (10) (5) (10) Cā