There's not much more people unacquainted with your corporate policies and procedures can add.

As far as using the corporate credit card for expenses unrelated, or tangentially related, to your employment; people do get fired for such behavior.

Will you?

As Mister said in the movie, The Color Purple, "Could be, could be not."

As far as you being required to reimburse the charges under investigation, people have been sued for less. In your case, you've agreed to allow the company to recover the charges via payroll deduction. Such an agreement is valid in FL.

If I were you, I'd start distributing my résumé. It would appear your career path in your current employment has been jeopardized by your foolish actions.