Can you explain this table?

Suppose that a simple economy has the following parameters. C = 200 + 0.6Y 1 = 200 a. Complete the following table. Y C S I AE 0 100 200 300 400 500 600 700 800 900 1,000 b. The value of expenditures equilibrium is $ c. At the expenditures equilibrium, the value of injections is $ and the value of leakages is $