Problem 3 (Residual Income) During 2021 Laguna Company had net operating income of P1,500,000 with sales of P4,000,000. The company's average operating assets for the year were P8,000,000 and its minimum required rate of return was 15%. Required: Compute the company's residual income for 2021. Problem 4: (ROI and RI) Camarines Company has two investment centers and has developed the following information. Camarines Company expects a minimum return on operating assets of 10%. North Department South Department Net operating income P 240,000 P 96,000 Average operating assets P 2,400,000 P 800,000 Sales P 1,600,000 P 500,000