If a country's economic data shows private savings of $990 million, government spending of $999 million, tax revenue of $699 million, imports of $600 million, and exports of $400 million, then what does investment equal?

Investment is equal to 890 million.

Explanation:

Investment refers to the money that is used to produce goods. Investment can be calculated by adding the private savings, the public savings that is determined by subtracting the government spending to the taxes received and the trade deficit that refers to the imports minus the exports.

I= S+(T-G)+(M-X)

S= private savings

T= net taxes

G= government spending

M= imports

X= exports

I= 990+(699-999)+(600-400)

I=990-300+200

I= 890

a manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. at the end of december, the company wishes to forecast sales for january. the estimate of trend through november has been 200 additional boards sold per month. average sales have been around 1000 units per month. the demand for december was 1100 units. the company uses α = 0.20 and β = 0.10. make a forecast including trend for the month of january.

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