Applied at BJ's Wholesale Club for bakery clerk

I have an interview tomorrow at BJ's Wholesale Club for a bakery clerk position. I'm planning my outfit and currently considering a few options. I have a shirt in mind, but I might swap it out for a plain white blouse since my mom suggested it would look better. I'm also unsure about the skirt I'm thinking of wearing; it's a dark wash, but I'm contemplating whether I should switch it for a more traditional khaki skirt or a long dress skirt. I want to make a good impression, so I'm trying to figure out what looks best!