The table gives the amount of a product supplied at two price levels by four firms, A, B, C and D. Which firm has a price elasticity of supply of 1 when the price drops from $10 to $8?
- AA (500 -> 300)
- BB (500 -> 350)
- CC (500 -> 400)
- DD (500 -> 450)
Economics 9708 · AS & A Level · Price elasticity of supply