Answer:
High Demand
Explanation:
If more people want to buy something the price will likely go up.
Answer:
5,400 because it turns at the right speed, but if it is too fast or too slow, it will not perform at it's fullest potential. Such as speed and storage.
D. Because its not the only measurement which says in a. Its not B because waist measurement is also important. and its not C since D is the perfect method