Beth Consumes Two Goods, X₁ and X₂, and Her Income

Beth consumes two goods, x₁ and x₂, and her income is $120. The price of x₁ is $10, and the price of
X₂ is $5. If her utility function is U(x₁,x₂) = x₁ + x₂, her utility maximizing bundle is:

A) (12, 0) .
B) (7, 10) .
C) (0, 24) .
D) (8, 8) .