HELP!

The sales, income from operations, and invested assets for each division of Wren Company are as follows: Income from Invested Sales Operations Assets Division c $5,000,000 $630,000 $4,000,000 Division D 6,800,000 760,000 3,900,000 Division E 3,750,000 750,000 7,500,000 Management has established a minimum rate of return for invested assets of 8%. a. Determine the residual income for each division. Division C: Division D: Division E: b. Based on residual income, which of the divisions is the most profitable