أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
a. is called a derived demand.
b. is directly related to the demand for the commodity.
c. is negatively sloped.
d. is all of the above.
Answer No. -----D
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Thanks
answer D ______________________________________________
D.....................................................
ANSWER D OPTION .........................................................
My answer is option (D) is all of the above.
D..............................................................................................