A television set that previously sold for \( \$ 431.99 \) has been reduced to \( \$ 360.00 \). What is the markdown percent? (Round to the nearest whole percent) Select one: a. \( 15 \% \) b. \( 17 \% \) c. \( 10 \% \) d. \( 5 \% \)

To determine the markdown percentage, you can use the following formula: \[ \text{Markdown Percent} = \left( \frac{\text{Original Price} - \text{New Price}}{\text{Original Price}} \right) \times 100\% \] Plugging in the values: \[ \text{Markdown Percent} = \left( \frac{431.99 - 360.00}{431.99} \right) \times 100\% = \left( \frac{71.99}{431.99} \right) \times 100\% \] \[ \text{Markdown Percent} \approx 0.1666 \times 100\% = 16.66\% \] Rounded to the nearest whole percent, the markdown is **17%**. **Answer:** **b. \( \mathbf{17 \%} \)**