A shareholders adjusted basis in stock is used to determine: a) The excess to which a distribution made by the shareholder is taxable b) The amount of losses that shareholders may deduct in a given year c) The shareholder's realized gain or loss upon the sale or exchange of stock d) All of the above The accumulated adjustments account: a) Represents the amount of the corporation's earnings as a C corporation that has only been taxed at the corporate level. b) Measures the accumulated undistributed net income of the corporation while it has been an S corporation c) Botha and b d) None of the above