Bus rides and canned soup are inferior goods, so the ________ elasticity of demand is ________.
A) cross; positive
B) income; positive
C) income; negative
D) cross; negative
Question 2
When Sam's Scarves uses 2 knitting machines and employs 3 people, total revenue is 330 a day. When Sam's Scarves uses 2 knitting machines and employs 4 people, total revenue is 360 a day.
The value of marginal product of the third worker is ________. A) 110
B) 30
C) 360
D) 90