The components of an economy's planned Aggregate Expenditure are given below. Use the information to answer the following questions.

= 200 + 0.8(1 - 0.375)Y

= 300

G= 1200

= 200

= 100 + 0.1

a) [4 Marks] What is the actual level of national income?

b) [2 Marks] What is the size of the Multiplier?

c) [2 Marks] Does the Government have a budget deficit or a budget surplus? How large is it?

d) [2 Marks] How would an increase in exports of 30 change national income?