Evaluations for input

In a kitchen design, what should be included on one side of the sink, with a width of at least 24 inches, and on the other side, with a width of at least 18 inches?<image 1>

(A) Dish rack

(B) Dishwasher

(C) Cutting board

(D) Countertop landing area

Answer with the option's letter from the given choices directly. No punctuation.