Points will not be given for half solutions or incorrect ones. I want step by

Points will not be given for half solutions or incorrect ones. I want step by step explnations for all qustions.

1. The following information is available for Aggie Auto Sales:

Average operating assets $500000

Controllable margin 50000

Contribution margin 125000

Minimum rate of return 8%

How much is Aggie Auto%u2019s residual income?

2. Niceville Company had sales of $400000 variable costs of $200000 and direct fixed costs totaling $100000. The company%u2019s operating
assets total $800000 and its required return is 10%. How much is the residual income?

3. Oxford Company earned controllable margin of $250000 on sales of $3200000. The division had average operating assets of $2600000. The
company requires a return on investment of at least 8%. How much is residual income?