Measuring Total Production by Valuing Items at Their Market Value

Measuring total production by valuing items at their market value allows us to

A) ignore the problem that goods and services differ in how long they last.
B) separate the value of different goods with different prices.
C) separate the value of different goods with identical prices.
D) add together the value of identical goods that have identical prices.
E) add together the value of different goods that have different prices.