Calculating Residual Income East Mullett 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 186,800 Operating income $64,450 Less: Income taxes (@40%) 25,780 Net income $38,670 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. East Mullett requires a minimum rate of return of 10%. Required: For East Mullett, calculate: 1. Average operating assets II 2. Residual income