【单选题】Jo e an d Ji m purchas e vegetable s a t a grocer y store , bu t Ji m als o grow s vegetable s i n hi s bac k yard . Regarding thes e tw o practices , whic h o f th e followin g statement s i s correc...
A.
Onl y Joe’ s grocer y stor e purchase s ar e include d i n GDP.
B.
Onl y Joe’ s an d Jim’ s grocer y stor e purchase s ar e include d i n GDP.
C.
Joe’ s an d Jim’ s grocer y stor e purchase s ar e include d i n GDP . Th e vegetable s fro m Jim’ s backyar d garden ar e include d a t thei r marke t value.
D.
Joe’ s an d Jim’ s grocer y stor e purchase s ar e include d i n GDP . Th e vegetable s fro m Jim’ s backyar d garden ar e include d a t thei r marke t value , i f Ji m provide s thi s information.