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Suresh Company reports the following segment $($department$)$ income results for the year.

$\backslash$table$[[,$Department M$,$Department N$,$Department $0,$Department P$,$Department T$,$Total$],[$Sales$,$$$77,000,$$$39,000,$$$70,000,$$$56,000,$$$38,000,$$$280,000],[$Expenses$,,,,,,],[,$ Avoidable,$14,800,42,400,21,600,19,000,46,800,144,600],[,$ Unavoidable,$55,800,18,600,5,200,43,200,16,800,139,600],[,$ Total expenses,$70,600,61,000,26,800,62,200,63,600,284,200],[$Income $($loss$),$$$6,400,$$$(22,000),$$$43,200,$$$(6,200),$$$(25,600),$$$(4,200)]]$

b$.$ Compute the total increase in income if the departments with sales less than avoidable costs, as identified in part a$,$ are eliminated.

Total increase in income