Answer:
Tahari is left with 12 options after she chooses the color.
Explanation:
Tahari can choose from 4 brands, 5 colors, and 3 styles.
First, she chooses the color.
Her total choices based on all three parameters is =

When she has chosen a color, she has two parameters left.
So, she has now
choices left
So, after finalizing a color, she is left with 12 choices/options.