3.What are the two variables needed to calculate demand?
A. The desire and ability to buy a product
B. At a given point in time, the price of a product and quantity that would be purchased at
that price
C. The number of people willing to buy a product and the number and type of competing
products
D. Previous number of purchases and the likelihood of future purchases
The two variables needed to calculate demand are desire and willingness: Answer A is the closest option I could compare. If you disagree, feel free to choose another option.