Attention Yakima entrepreneurs, today is the last day to sign up for the third annual enterprise challenge. It's a business plan contest sponsored by New Vision. Yakima Counties Development Association. The competition is a three month interactive contest with workshops and mentoring designed to help new business owners.  First prize is ten thousand dollars. Second prize five thousand and third prize 2500. Applications must be turned in today along with a $125 dollar entree fee.  You can sign up online at yakimavalley.biz