SAN JUAN, Puerto Rico (AP) — A pair of nearly 5-inch black satin heels with a large gold alligator that serves as the front strap retails for almost $1,600 at the first Saks Fifth Avenue store to open in Puerto Rico, more than what the average person here earns in a month and where nearly half the population lives in poverty. While a nearly decade-long recession has forced many Puerto Ricans to seek a more affordable life on the U.S.