Office supply retailer Staples Inc. reports its fourth-quarter results before the market opens on Tuesday. WHAT TO WATCH FOR: Any sales improvement. TheDirk Nowitzki Shoes recession caused businesses and consumers to cut their spending on office supplies as they reduce theirSteve Nash Shoes overall costs. But as concerns about the economy and job security ease, consumers have begun to shop more. Last quarter, Staples reported its first retail Nike air force 1 Highsales increase in five quarters, a modest 1 percent rise. Still, contract sales have remained weak as small businesses are slower to recover from the recession. WHY IT MATTERS: Staples is a good measure of how Nike air force 1 Lowboth consumers and small businesses are responding to the economy since it serves both segments. WHAT'S EXPECTED: Analysts polled byNike air force 1 Low 07 Thomson Reuters expect Staples to earn 39 cents per share on revenue of $6.3 billion. LAST YEAR'S QUARTER: One-time items in last year's fourth quarter included charges linked to its acquisition of Corporate Express NV the previous July and the Nike Dunk SB Low Menreversal of a $57 million non-cash charge recorded in the third quarter. Excluding those items, the company's adjusted Nike Dunk SB Low Womenprofit was $256 million, or 36 cents per share. Sales climbed 16 percent to $6.17 billion from $5.32 billion, helped by the addition of Corporate Express.air force 1 High air force 1 Low air force 1 Low 07 Nike Air Jordan 20 Nike Air Jordan 21 Nike Air Jordan 22 Nike Air Jordan 23