Norman Company pays a sales commission of 5% on each unit sold.

Norman Company pays a sales commission of 5% on each unit sold. If a graph is prepared, with the vertical axis representing per-unit cost and the horizontal axis representing units sold, how would a line that depicts sales commissions be drawn?as a straight diagonal line, sloping upward to the right.as a straight diagonal line, sloping downward to the right.as a horizontal line.as a vertical line.as a curvilinear line.