Answer:
When Economists say that humans make decisions at the margin they mean that decisions are made on the basis of the cost and benefit of getting an additional unit of a good/ service.
Marginal benefit refers to the additional utility that we will derive from consuming one extra unit of a good or service and factors in heavily into our decision making. We usually accept a decision if the Marginal benefit is higher or equal to the Marginal cost ( cost of the additional unit) of the good/service.
If the Marginal Cost is instead higher, the decision would most probably be cancelled.
Answer: $109.3 per machine hour
Explanation: We can compute total production engineering cost per hour by using following equation :-

but first we need to calculate variable cost at 9600 hours :-
= $856,320
now,

=$109.3 per machine hour
Downturn and exceeds. If the economy in a market down turns more busisinesses fail and come up for sale.
It is the task of <u>"Public Relations".</u>
Public relations(PR) is the way associations, organizations and people speak with general society and media. A Public relations authority speaks with the intended interest group straightforwardly or by implication through media with an expect to make and keep up a positive picture and make a solid association with the gathering of people. Examples incorporate official statements, pamphlets, open appearances, and so on and also utilization of the internet.
Answer:
Net Pay $3094.10 is the answer.
Explanation:
Gross pay $4600
Less: Social Security (4600*6.2%) 285.20
Less: FICA (4600*1.45%) 66.70
Less: Federal tax withheld 644
Less: contribution for health insurance 50
Less: contribution for retirement plan (4600*10%) 460
Net Pay $3094.10