Hilda Buys Only Cauliflower, Q_c, and Geraniums, Q_g

Multiple Choice

Hilda buys only cauliflower, Q_c, and geraniums, Q_g. The equation for Hilda's initial budget line is $40 = $2 × Q_c + $4 × Q_g. If Hilda's income increases by $20, the price of cauliflower decreases by $1, and the price of geraniums increases by $1, the equation of her new budget line is ________.

A) $60 = $1 × Q_c + $5 × Q_g
B) $60 + $1 × Q_c = $5 × Q_g
C) $0 = $60 + $1 × Q_c + $5 × Q_g
D) $60 = $5 × Q_c - $1 × Q_g