A profit maximizing firm will invest up to the level of investment where
(a) The cost of borrowing equals marginal efficiency of capital (b) The cost of borrowing is greater than marginal efficiency of capital © The cost of borrowing is less than marginal efficiency of capital (d) The cost of borrowing is equal to marginal propensity to consume.
(a) The cost of borrowing equals marginal efficiency of capital (b) The cost of borrowing is greater than marginal efficiency of capital © The cost of borrowing is less than marginal efficiency of capital (d) The cost of borrowing is equal to marginal propensity to consume.