I need help with this accounting question asap. I will give good rating!!!

Suresh Cr wnowe the following segmeat (department) income results for the year. Exercise 23-9 Segment elimination P4 a. If the company plans to eliminate departments that have sales less than avoidable costs, which department(s) would be eliminated? b. Compate the total increase in income if the depurtments with sales less than avoidable costs, as identified in part a, are eliminated