Select the aspect of accounting associated with the following activities.

$\backslash$table$[[$Activities$,$Aspects of Accounting$],[1.$ Acquiring knowledge of revenue transactions.,Identifying$],[2.$ Registering cash sales of products sold.,Communicating$],[3.$ Maintaining a log of sales transactions.,Identifying$],[4.$ Measuring revenue from a holiday sale.,Recording$],[5.$ Measuring the costs of a product.,Recording$],[7.$ Reporting the profitability of a product line.,Identifying$],[8.$ Presenting financial information.,Communicating$]]$