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.
A year ago, the price of a first-class mail stamp went up by 1 cent in January. Related: Amazon launches 7-day delivery in New York and LA. The cost of mailing a post card also went up. It now costs 34 cents, a 1-cent increase.