If I had to dress up for work (thank God I don't), I'd wear something just like this.
Here's my frugal version of her outfit:
Cropped Houndstooth Jacket, $30
White Long-Sleeved Tee, $10.94
Black Dress Pants, $15
Black Pump, $16.99
White Drop Earrings, $4.80
Small Black Hobo, $19.99
GRAND TOTAL $97.72