While it is not uncommon for the precise source of chest wall pain to remain unknown, some possible causes of costochondritis include: 1  Injury or trauma: Pain within the area of the chest wall may emerge as the result of a direct blow or injury to the area. Arthritis: Some evidence has suggested that symptoms of costochondritis are associated with degenerative joint conditions, such as osteoarthritis or rheumatoid arthritis.
In retail, unit price is the price for a single unit of measure of a product sold in more or less than the single unit. The unit price tells you the cost per pound, quart, or other unit of weight or volume of a food package. It is usually posted on the shelf below the food.
1 Store A's current unit price is $0.06, while Store B's unit price is $0.07. 2  Because of Store A's doubled coupon price, the unit price changed and is now lower than Store B, thus getting 24 oz of vegetable oil is a better deal than 32 oz.. Know what unit price is. The unit price of a product is basically what the cost of each pound, ounce or gram, square foot or meter, etc., of the product is.