Question 12 (1.25 points) What happens when the price level falls? C Interest rates fall, so firms increase investment. Interest rates rise, so firms decrease investment. Interest rates fall, so firms decrease investment. C Interest rates rise, so firms increase investment.Question 14 (1.25 points] What are the eects cf an increase in the price level? 0 The interest rate increases, the dollar appreciates, and net experts decrease. O The interest rate decreases, the dollar appreciates, and net experts decrease. O The interest rate decreases, the dollar depreciates, and net experts increase. 0 The interest rate increases, the dollar depreciates, and net experts increase