This is a question with answer options. Goal: how to make a spicy thai dressing

Which of the following methods is more reasonable for accomplishing this goal?

Pick your answer from:
[a]. Whisk 1/4 cup lime juice, 1 tablespoon fish sauce, 1 teaspoon sugar, 1/2 teaspoon Sriracha and 1/4 teaspoon kosher salt. Whisk in 1/4 cup vegetable oil..
[b]. Whisk 1/4 cup lime juice, 1000 tablespoon fish sauce, 1 teaspoon sugar, 1/2 teaspoon Sriracha and 1/4 teaspoon kosher salt. Whisk in 1/4 cup vegetable oil.....I think the answer is
[a].