I use my credit card for business. I want to be able to claim the yearly amount in my taxes. Is there a way?

can I claim the annual business amount on my taxes by getting a business credit card?

I have a credit card in the company name that I use for personal use, but I separate the expenses, is that ok?

GETTING AUDITED…
I own a Corporation, and I am the only stockholde….I use the company credit card for personal use, but I do not write the personal use off on my business taxes. I separate it out. Will the IRS penalize for this when I am audited? It’s the only thing I think I have to [...]