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4. Investment: Investment is usually equals to savings. Investment also depends on the rate of interest. When the interest rate is high investment is low as given in the following equation. I=I0br Government expenditure (G): The government changes its level of expenditure from time to time as a part of Fiscal Policy. The aggregate demand AD is written as AD=C+I+G If investment at the prevailing interest rate (say 10% ) is 150 and government expenditure is 50 , fill in the Table 3.2 Table 3.2