Required information The following information applies to the questions displayed below) Blackwood Industries manufactures de machinery. To meet its expansion needs, it recently (2017) acquired one of its suppliers, Delta Steel. To maintain Delta's separate Identity. Blackwood reports Delta's operations as an investment center. Blackwood monitors all of its investment centers on the basis of return on investment (RON Management bonuses are based on ROI, and all investment centers are expected to eam a minimum 10% return before income taxes. 48) the interstemerne Wedia de Ronde viene deres for sine rollement dietiched against the investmerit because it believed that Delta's ROI has ranged from 14% to 18% since 2017. The company recently had the opportunity for a new investment that would decrease the division's The 2019 operating statement for Delta follows. The division's operating assets were $33,600,000 at the end of 2019, a 5% increase over the 2018 year-end balance. DELTA DIVISION Operating Statement Far Year Ended December 31, 2019 (96s onitted) Sales $95,580 Cost of goods sald 62,075 Gross profit 33,425 Operating expenses: Administration $13,888 Selling 14.232 28,844 Operating income $ 5,385 Required: 1. Calculate the following performance measures for 2019 for the Delta division; 3. Return on average investment in operating assets. (Round your intermediate calculations to the nearest whole dollar and final answer to 2 decimal places.) b. Residual income (RI) calculated on the basis of average operating assets. (Round your intermediate calculations. Enter your answer in whole dollars, not in thousands.) 1a. Return on investment 16. Residual income