Confectioners, a chain of candy stores, purchases its candy in bulk from its suppliers. For a recent shipment, the company paid $1,500 and received 8,500 pieces of candy that are allocated among three groups. Group 1 consists of 2,500 pieces that are expected to sell for $0.15 each. Group 2 consists of 5,500 pieces that are expected to sell for $0.36 each. Group 3 consists of 500 pieces that are expected to sell for $0.72 each. Using the relative sales value method, what is the cost per item in Group 1?