A manufacturer reports three activities: assembling components into products; product design; and sales order processing. Determine whether each of the following cost drivers relates to assembly, design, or order processing.

$\backslash$table$[[$Cost Driver,Activity$],[1.$ Direct labor hours to assemble components,$],[2.$ Number of design changes,$],[3.$ Number of components assembled,$],[4.$ Number of design hours,$],[5.$ Number of shipments made,$],[6.$ Number of sales orders processed,$]]$