You have been asked to evaluate two alternatives, X and Y, that may increase plant capacity for manufacturing high-pressure hydraulic hoses. The parameters associated with each alternative have been estimated. Which one should be selected on the basis of a present worth comparison at an interest rate of 12% per year? Why is yours the correct choice?

Alternative	X	Y
First Cost	$-45,000	$-58,000
Maintenance cost, per Year	$-8000	$-4000
Salvage Value	$2,000	$12,000
Life	5 years	5 years

The present worth of alternative X is( $ )and that of alternative Y is( $ )