Determine whether each of the following accounting duties mainly involves financial accounting, managerial accounting, or tax accounting.

$\backslash$table$[[$Accounting Duties,$],[1.$ Internal auditing,$],[2.$ External auditing,$],[3.$ Cost accounting,$],[4.$ Budgeting,$],[5.$ Enforcing tax laws,$],[6.$ Planning transactions to minimize taxes,$],[7.$ Preparing external financial statements,$],[8.$ Analyzing external financial reports,$]]$