Are you able to tell me how the profit is found and how I am supposed to interpret the graph to answer the questions?

Example 12 Using the diagram below, determine the level of prots at levels of output Q1, Q2 and Q3. All gures are in pounds sterling. (This is similar to the example above, the only difference being that the information is provided in a diagram.) Price D, AR Quantity 0 100 220 gure 1.34 Explain why a rm making zero economic prots would bother operating. 300