When calculating the arc elasticity of demand, the percentage change in price (quantity) should be based on the average of the starting and ending prices (quantities)

Of the following market structures, which is the most competitive?

A) perfect competition B) monopolistic competition C) monopoly D) oligopoly

You can put your $100 in Bank A that pays 8% at the end of the year. You can also put your $100 in Bank B that pays 4% at the end of six months and then 4% again at the end of the year. You will keep your $100 and all interest in the bank

At the end of the year A) the total will be the same at both banks. B) the total at Bank A will be greater. C) the total at Bank B will be greater. D) the total could be larger at either bank.