The autonomous consumption expenditures and autonomous investment expenditures in an economy are $500 and $350, respectively. It is also observed that individuals spend 70% of their additional income on consumption. Write down the consumption function for this economy using the information provided above. (Round your response for the intercept term to the nearest whole number and for the slope term to one decimal place.) C = 500 + 0.7 Y Write down the aggregate expenditure function for this economy using the information provided above. (Round your response for the intercept term to the nearest whole number and for the slope term to one decimal place.) AE= 850 + 0.7Y The equilibrium income that would set the actual national income to the desired aggregate expenditure is $D (Round your response to the nearest dollar.)