A. All levels of demand, whether individual, aggregate, local, national, or international are subject to change.
B. At the same time, science and technology add new dimensions to products, their uses, and the methods used to market them.
C. Aggregate demand fluctuates with changes in the level of business activity, GNP, and national income.
D. The demands of individuals tend to vary with changing needs and rising income.
Rearrange the parts to form a coherent sentence:
A) is no longer a privilege
B) that only the elite enjoy
C) quality education
D) in the modern world
Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. that maintaining a positive attitude
Q. even in difficult situations
R. is essential for success
S. and helps overcome obstacles effectively