Column B on my 1095-A is a $0.00. I called and they said because I did not apply for financial assistance. How do I proceed here? Software says can't be a $0

you can look it up on the healthcare gov website.

https://www.healthcare.gov/tax-tool 

click the "figure out your tax credit" link. you'll be asked a series of questions which must be answered accurately to get the correct results.