Need help in estimating what to charge for a patio job, i live in the central new jersey area. Customer is providing the pavers. I will provide stone and sand. Its a total of 1600 square foot to be paved. He is using tumlbed pavers that measure 3 different sizes which are 1'x1', 4"x8", and 4"x4". Its a 75ft long x 21ft wide patio in back of his house. If you need additional info i will gladly provide it. Need help as early as possible. thanks.