A bank or trust company is critically undercapitalized when the ratio of its capital to total assets is equal to or less than 2.0%. For the purposes of this section, capital shall be the total of the institution’s common stock, surplus, undivided profits, capital reserves, noncumulative perpetual preferred stock and outstanding cumulative perpetual preferred stock, including related surplus, but intangibles, such as goodwill, shall not be included in the capital calculation.