All of the following are true regarding California individual tax penalties except: A. The penalty for failure-to-pay the tax shown on an income tax return or an assessed deficiency by the due date is generally 50% of the tax not paid by the original due date of the return B. Individual taxpayers may now be eligible for a one-time cancellation of a penalty for filing or paying their taxes late C. The penalty for failure-to-file an income tax return by the due date is 5% of the amount of tax required to be shown on the return, less any earlier payments or credits, for the first month the return is late D. The demand penalty is 25% of the total tax amount due, regardless of any payments or credits made on time