Am i dressed appropriately for a college interview?

i'm having a college interview tomorrow at Starbucks, but i'm a little worried. I'm trying to dress appropriately, so i picked out a nice shirt and high waisted skirt. The problem is, the shirt shows both my arms. Should i wear a cardigan over this or not? this... show more i'm having a college interview tomorrow at Starbucks, but i'm a little worried.

I'm trying to dress appropriately, so i picked out a nice shirt and high waisted skirt. The problem is, the shirt shows both my arms. Should i wear a cardigan over this or not?

this (http://www.urbanoutfitters.com/urban/catalog/productdetail.jsp?itemdescription=true&itemCount=60&startValue=1&selectedProductColor=&sortby=&id=15191737&parentid=W_APP_DRESSES&sortProperties=+product.marketingPriority,-product.startDate&navCount=27&navAction=poppushpush&color=) is very similar to my outfit.

Thanks in advance!
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