Draw a Demand Curve and Label It D1

Essay

Draw a demand curve and label it D1.On the graph,illustrate an increase in demand and a decrease in demand,and label the curves D2 and D3,respectively.Starting on demand curve D1,explain the shift that would result from each of the following events:
a.an increase in income and the good is a normal good
b.an increase in income and the good is an inferior good
c.a decrease in the price of a substitute good
d.a decrease in the price of a complementary good
e.an increase in the taste for the good
f.a decrease in population
g.an increase in the expected future price of the good