In pituitary apoplexy, the main initial problem is a lack of secretion of adrenocorticotropic hormone (ACTH, corticotropin), which stimulates the secretion of cortisol by the adrenal gland. This occurs in 70% of those with pituitary apoplexy.
DEFINITION of 'Net Present Value Rule'. A rule stating that an investment should be accepted if its net present value is greater than zero and rejected otherwise.According to the theory of net present value (NPV), participating in a positive NPV project will increase firm or shareholder wealth. rule stating that an investment should be accepted if its net present value is greater than zero and rejected otherwise.
If the price you charge per unit is greater than the marginal cost of producing one more unit, then you should produce that unit. If the price you charge per unit is less than the marginal cost of producing one more unit, the unit should not be produced.f the price you charge for a product is greater than the marginal cost, then revenue will be greater than the added cost and it makes sense to continue production. However, if the price charged is less than the marginal cost, then you will lose money and production should not expand.