The sales, income from operations, and invested assets for each division of Winston Company are as follows: Sales Income from Operations Invested Assets Division C $5,000,000 $630,000 $3,900,000 Division D 6,800,000 760,000 4,300,000 Division E 3,750,000 750,000 7,250,000 Management has established a minimum rate of return for invested assets of 8%. (a) Determine the residual income for each division. (b) Based on residual income, which of the divisions is the most profitable