Vision is the most important sense needed when driving. explain five specific areas of vision and how alcohol affects them.

Some effects of excessive alcoholic intake on your vision would be:

* Decrease of visual performance. When your visual performance is altered from excessive alcoholic intake, you have a higher possibility of suffering from blurred vision or double vision. The cause of this would be weakening of the eye muscle coordination.

* Slow pupil reactions. Since alcohol affects the speed of when your iris dilates and constricts, it causes an alcoholic driver to have slower reactions to headlights and other important road signals.

* Frequent migraines. Alcohol can also be a trigger for migraines. Before the migraine, the person may experience a visual aura before the headache. They may also see blind spots.

* Increase of redness in the eyes. Since alcohol causes the blood vessels in your eyes to expand, it can make your eyes look red.

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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).