The required reserve ratio is the ratio of reserves to ________ required by banking regulations

Refer to the figure above. What is the equilibrium rate of interest when the credit demand curve is CD2 and the credit supply curve is CS1?

A) 3% B) 4% C) 5% D) 2%

In the following graph, the price of capital is $100 per unit. If a firm decides that total cost must not exceed $3,500, what is the maximum amount of output it can produce?

A. 1,000 B. 1,500 C. 500 D. 100 E. none of the above