Years after he barely survived an attack that killed his wife and two children, Mr. Pukari suffers recurring flashbacks and frequent nightmares of the event. They render him incapable of holding a steady job. Mr. Pukari is most clearly showing signs of

   Post-traumatic stress disorder

Explanation:

Post-traumatic stress disorder (PTSD) is a mental  disorder which occurs due to an individual witnessing or being exposed to a fearful or dangerous events or traumas which with time causes such individual to develop symptoms of post-traumatic stress disorder such as difficulty in sleeping  due to nightmares,lack of concentration, occasionally on guard, irritations etc.

Here, Pukari suffers  Post-traumatic stress disorder as a result of the fearful experience he witnessed in the killing of his wife and children and so has developed symptoms of  the disorder such as lack of concentration  due to recurring flashbacks causing him have difficulties at work.

PTSD

Explanation:

post-traumatic stress disorder

(what the answer said above >-<)

the answer would be a)henry grady because he came up with the term "new south"

marginal cost is a microeconomic measure that us to evaluate the extent to which the level of production of a good is sustainable in accounting, that is, to how many quantities the company plans to profit from the production of the good.

the concept of marginal cost is simple, it means the cost of producing one more item. for example, in the case of pies, the marginal cost is the cost of producing one more pie than those that have already been produced.

it is important to understand that productive activity influences marginal cost. the marginal cost of some goods can be very high, while others may be insignificant. for example, the marginal cost of producing an extra plane is very high. already the marginal cost of a water company to provide 1l more water is derisory.

in the case of pies, the cost involves the inputs, the labor and the fixed cost, which involves the fixed space of the bakery. the level of production initially has the marginal cost decreasing because there is space and manpower available. however, to produce more you have to hire more workers and buy more inputs. if physical space is limited, workers will conflict with places, inputs and their productivity will decrease, meaning there is an optimum point of production for each level of space and manpower. from this point on, the productivity of the workers will be getting smaller because of lack of space, so that the marginal cost of producing one more pie will be increasing. so, although you have not posted the chart, but if you have the answer, you can see that my explanation goes according to the marginal cost curve that will increase from the 4th pie, answer (c).