Please tell me if these are deductible?

Master card interest
Dental expenses
California state income tax
Charitable contribution
Mortgage interest on home purchase (personal)
Real estate taxes (personal)
Life insurance premiums
Investment interest
Automobile registration fees
Contribution to a reelection campaign

Master card interest -- Only if business related.

Dental expenses -- Yes, to the extent that they exceed 7.5% of your AGI

California state income tax -- Yes

Charitable contribution -- Yes, if to a registered charity

Mortgage interest on home purchase (personal) -- Yes

Real estate taxes (personal) -- Yes

Life insurance premiums -- Only if business related, and even then there are limitations

Investment interest -- Yes, but only to the extent of investment income

Automobile registration fees -- No. However if an ad-valorem personal property tax is levied that is deductible. Some states lump this in with the registration fees. That portion is deductible. Business related fees are deductible however.

Contribution to a reelection campaign -- No. Political contributions are never deductible

TFTP Report It

Master card interest, life insurance premiums, contribution to reelection campaign - no. Investment interest - maybe. Auto registration fees - part of it might be. Dental expense - only to the extent that your total medical expenses exceed 7.5% of your adjusted gross income, and then only if you itemize.

Yes to the rest if you itemize.