1 In addition to the desire to own a product, what else does demand include
A The cost to produce the product
B The value and price of the product
C. The desire and willingness and ability to buy the product
D. The behavior and decision-making of people who buy the product

C

Explanation:

Demand is not only the desire to purchase a product, when counting demand, you must also include the ability and willingness to buy the product.

"the royal proclamation of 1763"

in his book, the riddle of the rosetta stone, james giblin talks about how there was a young british polymath and physician named thomas young who made a lot of advances on the deciphering of the rosetta stone. he says that even though young made a lot of mistakes because he was working under false assumptions, he also made huge contributions like deciphering three out of the seven symbols (more than anyone else before him). young published his findings and continued his good work but he wasn't able to progress much further due to some unfavorable situations, he still laid the basis for many other scholars and of course for the man who has been generally known to have deciphered it, jean-françois champollion