The area manager of the Vaughn Restaurants is considering two possible expansion alternatives. The required investments, expected controliable margins, and the ROIs of eachare as follows: The Vaughn segment has currently $2000000 in average operating aswets and a controllable margin of $250000. Whichione of following projects will increase the Vaughn division's ROI? Both the Phoenix and Chicago options Only the Phoenix option Only the Chicaso option Neither the Phoenlx nor the Chicago options