Back Mountain Industries (BMI) has two divisions: East and West BMI has a cost of capital of 10 percent Selected financial Information (in thousands of dollars) for the first year of business follows: Sales revenue Incone Investment (beginning of year) Current liabilities (beginning of year) R&D expenditures East $1,700 550 2.700 270 850 West $6,480 810 3,700 270 75e *R&D is assumed to benefit two periods. All R&D is spent at the beginning of the year. Required: a-1. Evaluate the performance of the two divisions assuming BMI uses return on investment (ROI) (Round your final answers to nearest whole percentage value.) ROI Divisions East West % a-2. Which division had the better performance? East West