2. The GeoStar Company, a leading manufacturer of wireless communication devices, is considering three cost-reduction proposals in its batch job-shop manufacturing operations. The company has already calculated rates of return for the three projects, along with some incremental rates of return, as given in table below. Ao denotes the do-nothing alternative. The required investments are $420,000 for A1 $550,000 for A2 and $720,000 for A3. If the MARR is 15%, what system should be selected? 2 Click the icon to view the additional data for each project. Choose the correct answer below. OA. OB. The do-nothing alternative A OC. Project Az OD. Project Az 2: More Info Incremental Investment Incremental Rate of Return (%) Az - A