Which of the following does not provide an accurate description of refundable taxes?

A. The basic concept of refundable taxes is that a portion of the corporate tax paid on investment income is refunded to the corporation when the income is distributed to shareholders in the form of dividends.

B. One purpose of refundable taxes is to keep corporate tax rates high to discourage accumulation of investment income in a corporation.

C. The only purpose for refundable taxes is to create perfect integration in the Canadian tax system.

D. There are three different components of tax that can be refunded on the payment of dividends: Refundable portion of Part I tax, Additional Refundable Tax on Investment Income, and Part IV tax.