Investment centers in 2 cities had the following income from operations and investes assets

A.) calculate the return on investment for both cities. State your answer as percentage with two decimals (4 decimals total)

B.) The minimum desired rate of return for both cities is 10%. Calculate the residual income for each city

please show work, i would like to know how this is competed and not just answer :)

Laramie Cheyenne Income from Operations $178,400 $223,000 Invested Assets $590,000 $571,000