Effective Division of Labor. Specialization of labor allows managers to assign tasks based on the skills and preferences of workers. Suppose a person who excels at math works in the accounting department, and a person who loves dealing with customers works in sales.
, works at U.S. Postal Service. The current postage needed for an international postcard stamp is $1.15 for a standard shaped and size one, in fact it's the same price for a letter of 1oz or less. The USPS lowered the rate from $1.20 back to $1.15 in middle of 2016.
The current US postage stamp price is 46 cents. To send a letter by post, one will have to pay 46 cents for the first ounce and another 20 cents for each additional ounce.