A consumer needed a new camera and a new armchair. She was prepared to spend $\$ 500$ on one item. She discovered that the camera cost $\$ 450$ and the armchair $\$ 500$. She bought the camera.
What was her opportunity cost and her consumer surplus?

A
2 )
B
3 )
C
4 )
D
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!