Answer :
Final answer:
Macroeconomics variables C, NTP, I, and NX are all different components of measuring economic activity in an economy.
Explanation:
In macroeconomics, variable C represents consumption expenditure. It includes all spending by households on goods and services, such as food, clothing, and entertainment. It does not include government spending, investment spending, or net exports.
Variable NTP represents net taxes paid. It includes taxes paid by households and businesses minus any government transfers received. It does not include government spending.
The variable used to record the sale of an old house is investment (I). In macroeconomics, investment refers to spending by firms on new capital goods, such as buildings, machinery, and equipment.
Variable I (investment) in macroeconomics includes spending by firms on capital goods, which adds to the productive capacity of the economy. It does not include government spending, consumption expenditure, or net exports.
Variable NX (net exports) in macroeconomics represents the difference between exports and imports. It includes the value of goods and services exported minus the value of goods and services imported. It does not include government spending, consumption expenditure, or investment.
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