The law of demand implies that demand curves
Slope Up
Slope Down
Shift up whenever the price rises
Shift down whenever the price rises
In the above figure, if D2 is the original demand curve for a normal good which price and quantity will result if incomes fall?
Point a , with price P2 and quantity Q2
Point b, with price P1 and quantity Q1
Point C, with price P3 and quantity Q3
Point d, with price P1 and quantity Q3