The Earned Income Credit is a refundable credit. Which of the following statements is true concerning the EIC? Select one: • a. The credit will offset any tax liability up to the amount of the tax liability. Any unused portion of the credit can be carried forward to future year's tax liability b. The credit can be submitted without filing a tax return • C. The credit will offset tax liabilities. Any unused portion of the credit will be refunded to the taxpayer along with any other refunds in the year that the tax return is filed d. The credit will offset tax liabilities. Any unused portion of the credit is lost