You are hired as a consultant for a local restaurant. It is considering whether to close at 9:00 p.m., stay open an extra hour (10:00 p.m.). or close earller (8:00 p.m.]. Based on wages and utility bills, the added cost (the (marginal cost] of staying open for each additional hour Is $169. If the additional revenue (the marginal revenue) during the last hour is $219, the profit eamed during the last hour of operation will be $_____________ If the add tional revenue during the last hour is $89, the profit eaimed during the last hour of operation will be $_____________