If the MPC in an economy is .6, the government could shift the aggregate demand curve to the right by $50 billion by:       reducing worthless government expenditures by $125 billion.       reducing worthless government expenditures by $20 billion.       increasing taxes by $50 billion.       increasing worthless government expenditures by $20 billion.       None of the available are correct

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A: Answer to the question is as follows :

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