Answer: core service
Explanation: In simple words, core service refers to the service which are of highly value and importance to the user or provider or both.
These services are considered be essential for smooth operations of an economy or the organisation as the case may be.
In the given case, Western union has the business of transferring payments internationally. Hence we can conclude that they are providing the core service of their business.
Answer:
prices of all goods and services bought by US households
Explanation:
C). Institutional Advertising.
I think This is correct
Answer:
single seller competition in the short run
Explanation:
because Monopoly is considered a product maximizer so it can't be minimal and it most definitely is not close substitute for their products and services