Answer and Explanation:
The computation is shown below;
Particulars Sell process further
sales $450,000 $1,209,000
Relevant cost
Process further cost $0 $290,000
Less: Total relevant cost $0 $290,000
Income $450,000 $629,000
Incremental income $179,000
The $1,372,000 is come from
= 5,800 units × $105 + 12,000 units × $50
= $609,000 + $600,000
= $1,209,000
Hence, the company should process further