Got laid off and now they want me to train my replacement

Long story short I got laid off from a Fortune 500 company. They gave me two weeks notice which is nice but now they want to train my replacement all next week (paying me my normal wage). Some 24 year old low level bum from the other office across town. Theres stuff only I know how to do (a software program I spearheaded and worked with on a daily basis that no one else worked with), that I worked really hard on and honestly don’t want to teach them how to use it. If they needed my knowledge they shouldn’t have laid me off. What should I do, suck it up for a week or tell them to suck my dick?

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