Which production facility has the highest ROI?

Which production facility has the lowest residual income?

If Big League decided to sell off $25\%$ of its long$-$term assets from Division $4,$ how does that change its ROI and Residual income? Assume that long$-$term assets is reduced by $25$ percent but no other balance sheet items are changed. Provide the percentage and dollar value impacts of the change and a written description of why this change affects ROI and residual income in this way.

Assume Division $1$ management is able to reduce its variable costs by $$10$ per bat, how does this change its ROI and Residual income? Provide the percentage and dollar value impacts of the change and a written description of why this change affects ROI and residual income in this way.

Assume Division $2$ has production problems and shuts down operations for approximately two weeks, reducing production by $2,000$ units. How does this change its ROI and Residual income? Include the percentage or dollar value impact. Provide the percentage and dollar value impacts of the change and a written description of why this change affects ROI and residual income in this way.

Assume Division $3$ actually has a lower required rate of return than the other divisions. The required rate or return is $9\%$ instead of $10\%.$ How does this change its ROI and Residual income? Include the percentage or dollar value impact. Provide the percentage and dollar value impacts of the change and a written description of why this change affects ROI and residual income in this way.