please answer the two multiple choices questions with explanation.

Which of the following statements is true about earnings per share? It represents the net income available to the preferred shareholders It evaluates the efficiency with which the company uses their assets to generate sales revenue 0 It is the only ratio required to be disclosed on the income statement 0 It assesses the ability of the firm to pay their bills as they come due 0 In applying the revenue principle to a given transaction, the most important moment or period in time is when which of the following happens? O related expenses are incurred. the service contract is signed regarding service to be performed. related cash inflows occur. sales transaction is completed (i.e., ownership passes) or services are rendered