Calculating residual income pelican manufacturing earned operating income last year as shown in the following income statement: sales $531,250 cost of goods sold 280,000 gross margin $251,250 selling and administrative expense 184,400 operating income $66,850 less: income taxes (@ 40%) 26,740 net income $40,110 at the beginning of the year, the value of operating assets was $390,000. at the end of the year, the value of operating assets was $460,000. pelican requires a minimum rate of return of 10%. required: for pelican, calculate: 1. average operating assets $ 2. residual income $