How much would you pay to have your planters/ Raised garden beds Sanded?

How much would you pay to have your planters/ Raised garden beds Sanded?Say you have raised garden beds you grow veggies on them so the bed have no sealer on it. Lets say you had and 8 foot long by 4 foot wide by 2 foot high bed. How much would you be willing to pay to have it sanded to it's original color. To take out the weathered look and add a nicer new look.