A profit maximising firm will invest up to the level of investment where ?

A profit maximising firm will invest up to the level of investment where ?

A. The cost of borrowing equals the marginal efficiency of capital
B. The cost of borrowing is greater than the marginal efficiency of capital
C. The cost of borrowing is less then the marginal efficiency of capital
D. The cost of borrowing equals the marginal propensity to consume

As income increase ?

As income increase ?

A. The average propensity to consume gets nearer in value of the marginal propensity to consume
B. The average propensity to consume diverges in value from the marginal propensity to consume
C. The average propensity to consume falls
D. The average propensity to consume always approaches 0