A national chain of clothing goods stores recently sent shipments to the following stores. The number of items shipped to each store and their total wholesale cost is shown in the table below. Find the wholesale price of one of each item.

Store A Store B Store C Store D Jeans 2000 1600 3000 6000 Jackets Sweaters Shirts Total Cost 4000 2100 4100 $520,425 3500 2000 4300 472,075 1000 300 6500 312,325 1700 600 7000 482,150