Which of the following is a fixed cost?

When the real interest rate rises, there is

A) neither a shift of the consumption function nor a movement along the consumption function. B) a downward shift of the consumption function. C) a downward movement along the consumption function. D) an upward shift of the consumption function. E) an upward movement along the consumption function.

When Audrina raised the price of her homemade cookies, her total revenue increased. This suggests that the demand for Audrina's cookies is elastic

Indicate whether the statement is true or false