If x is an inferior good and the price of x falls

a)the substitution effect will induce the consumer to purchase more x and the income effect will induce the consumer to purchase more x .

b)the substitution effect will induce the consumer to purchase more x and the income effect will induce the consumer to purchase less x.

c)the substitution effect will induce the consumer to purchase less x and the income effect will induce the consumer to purchase more x .

d)the substitution effect will induce the consumer to purchase less x and the income effect will induce the consumer to purchase less x .