United States corporations spend more than _________ billion annually on formal employee training and development programs.

A) 25
B) 55
C) 65
D) 105
E) 135

​A firm practicing direct price discrimination will charge a higher price to

A) ​Consumers known to have an elastic demand
B) All consumers
C) Consumers known to have an inelastic demand
D) ​Consumers known to have a unitary elastic demand