Hello I have an economics question, and

If the value of intermediate goods and services are included in GDP, then: O a. it would lead to depreciation. O b. GDP would be understated. O c. GDP would act as a true indicator of economic welfare. 0 d. there would be double-counting. 0 e. GDP would be able to give an exact estimate of the inventory in an economy. If 'C' denotes consumption expenditure, '1' denotes investment expenditure, 'G' denotes government expenditure and 'X' denotes net exports, then C + I + G + X equals: O a. disposable personal income. 0 b. gross domestic product. O c. net national product. 0 d. personal income. O e. net exports. In the business cycle, a trough marks the end of a(n) and the beginning of a new 0 a.peak; expansion b. expansion; peak c. contraction; expansion d. expansion; contraction 0000 e. peak; contraction