Antonio manages a grocery store in a country experiencing a high rate of inflation. to keep up with inflation, he spends a lot of time every day updating the prices, printing new price tags, and sending out newspaper inserts advertising the new prices. his employees regularly deal with customer annoyance over the frequent price changes. this is an example of the of

This is an example of the menu costs

Explanation:

Menu costs are costs that firms incurr when they have to update their prices constantly. The may have to print new catalogs, new menus (hence the name). If the business is online, the will have to update the database, and the website. Bookeeping will become more difficult as well.

This also causes problems for customers, who do not know what prices to expect, and might be discouraged to buy. Besides, the inflation rate could be so high, that customers could simply be unable to buy things, since their money might have lost most or all of its value.

it´s related to his charming character.

beauty is not everything, although we can joke that girls only care about the physical or material aspect, the truth is that a real woman looks at more important things, besides intelligence and personality, there are other attitudes that make irresistible to men who are 'unattractive'.

for example develop your sense of humor.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.