Swamp & Southern Railroad is considering the replacement of two old refrigerator boxcars with new models. The following data is provided:

-----------------------------------------------------Old Boxcars------- New Boxcars

Book Value	$40,000	n/a
New Boxcars Purchase Cost	n/a	$430,000
Annual operating costs	$92,000	$48,000
Useful Life	9 years	9 years
Residual Value	zero	zero

If the old boxcars are replaced, they can be sold for $42,000. Calculate the total increase or decrease in Net Income for nine years if the old boxcars are replaced by the new boxcars