The Concept of "Net Domestic Investment" Refers to

The concept of "net domestic investment" refers to

A) the amount of machinery and equipment used up in producing the GDP in a given year.
B) the difference between the market value and book value of outstanding capital stock.
C) gross domestic investment less net exports.
D) total investment less the amount of investment goods used up in accomplishing the year's production.
E) The total output of capital equipment,construction,and additions to inventories which occur in a given year.