Brian's preferences over goods X and Y are represented by the utility function: U(X, Y) = X'Y(⇒ -XY²! = DXE. Assume prices. Which of the following correctly represents Brian's utility function?A) U(X, Y) = X'Y(⇒ -XY²! = DXEB) U(X, Y) = X'Y(⇒ -XY²! = DXEC) U(X, Y) = X'Y(⇒ -XY²! = DXED) U(X, Y) = X'Y(⇒ -XY²! = DXE