Answer:
Cam residual income 2,174,000
Phone residual loss    617,000
Explanation:
The residual income is the difference between the required return on asset and the net income.
First step is to calcualte the required return on the asset
we multiply each division assets by 12%
then, we compare with the net income to get the residual income.
[tex]\left[\begin{array}{ccc}&$Cam&$Phone\\$Assets&24,800,000&13,800,000\\$required return&2,976,000&1,656,000\\$net income&5,150,000&1,000,000\\$residual income&2,174,000&-656,000\\\end{array}\right][/tex]
