JJG Builders, Inc., plans to purchase new cut-and-nish equipment. Two manufacturers offered the estimates below.

	First cost	Annual M & O cost, $ per year	Salvage value, $	Life, years
Vendor A	15000	-3500	1000	6
Vendor B	18000	-3100	2000	9

Determine which vendor should be selected on the basis of a present worth comparison, if the MARR is 15% per year.