The per se rule was applied in the Alcoa case

After a $3 per-unit tax on seeing movies in theaters is imposed, attendance falls from 4,000 a week to 3,000 a week. The revenue from the tax is

A) less than $9,000 a week. B) $9,000 a week. C) between $9,000 a week and $12,000 a week. D) some amount that cannot be calculated without more information.

If Figure 4-8 above is to show the result of a "fully accommodating" monetary policy following a shift of the IS curve from IS0 to IS1, what is the initial level of real income and interest rate before these changes?

A) 3500; 7.5%. B) 4500; 12.5%. C) 5500; 7.5%. D) 4500; 2.5%.