Answer:
Xinhong should replace its manufacturing machine
Explanation:
Xinhong Company Alternative A
<em> </em><em>Increase or decrease in net income</em>
Particulars Amount
Cost to buy new machine -$124,000.00
Cash received to trade in old machine $45,000.00
Reduction in variable manufacturing cost <u>$46,800.00</u>
($33,800 - $22,100)*4
Total change in net income -<u>$32,200.00</u>
Xinhong Company Alternative B
<em> Increase or decrease in net income</em>
Particulars Amount
Cost to buy new machine -$115,000.00
Cash received to trade in old machine $45,000.00
Reduction in variable manufacturing cost <u>$92,400.00</u>
($33,800 - $10,700)*4
Total change in net income <u>$22,400.00</u>
<u>Conclusion</u>: Xinhong should replace the existing machine as incremental net income is high for the alternative.