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.
While regular first-class postage is  44-cents, some unusually sized cards need an extra 20 cents. So the U.S. Postal Service has launched a new series of 64-cent stamps, the first one features a colorful Monarch butterfly. And to help folks know when to use these stamps the Greeting Card Association is arranging for its members to print a butterfly silhouette on the envelope of cards that need the extra postage starting this summer.