4. Calculate and explain each of the type for the following elasticities:

Price increases from $100 to $110 quantity demanded moves from 10 to 8.

Price decreases from $11 to $10 quantity supplied moves from 90 to 75.

Price of A increases from $2 to $2.5, quantity demanded of B moves from 10 to 8. What kind of good is this?

Price of A decreases from $3.2 to $3, quantity demanded of B moves from 10 to 8. What kind of good is this? (CLO4, CLO5)