Compute the Return on Investment (Rounded to Nearest Percent)for the Tim

question 6

Multiple Choice

Compute the return on investment (rounded to nearest percent) for the Tim Tom investment center as shown below. $\begin{array}{lr}&\text { Tim Tom Subsidiary }\\\text { Total sales } & \$ 1,600 \\\text { Operating income } & \$ 180 \\\text { Average assets invested } & \$ 900 \\\text { Profit margin } & ? \\\text { Asset turnover } & ? \\\text { ROI } & ?\end{array}$

• A) 20%
• B) 17%
• C) 14%
• D) 11%

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Definitions:

APCs

Antigen-presenting cells, a type of immune cell that displays foreign antigens to T-cells, initiating an immune response.

Memory Cells

B or T cells (lymphocytes) that permit rapid mobilization of the immune response on second or subsequent exposure to a particular antigen. See memory B cells and memory T cells.

Dendritic Cells

Immune cells that process antigen material and present it on their surface to other cells of the immune system, playing a critical role in triggering adaptive immunity.

Natural Killer Cells

A type of lymphocyte (white blood cell) that plays a major role in the rejection of tumors and cells infected by viruses.