need help with part b.

Amanager is trying to decide whether to buy one machine or two. I only one machine purchased and demand proves to be exces the second machine can be purchased the son of however, because the load time for delivery of this type of machine is six months. In addition, the cost per machine will be lowwif hot machines are purchased at the same time. The probability of lower estimated to be 0.20 and that of high demand to be 0.30 The after tax NPV of the benefits from purchasing machines together 500.000 de end 10.000 demand on one machine is purchased and demand is low. NPV 5120.000 demand in high the manaow has three options (1) doing nothing which has an NPO 100,000 woorver $140,000, and (3) buying the second machine with an NPV 5120,000 . Choose the correct docnion tre for de problem. Note that each anycott is very in thowtands of sour Ledo De 9 Buy 1 machine 100 10 machine 100 NCP Lowder and 120 Do nothing 0.20 High demand Subcontract 0.30 Buy 2 Low demand 30 machi 0.20 High demand 300 0.00 120 120 Dubcontact Buya Low demand 120 machi Huh denund 130 Buy 2 machines Buy2 machine b. What is the best decision and what is its expected payoll? Best decision is to buy 2 machines) and its expected payott is 5 120 (Enter your responses as integer)