Answer:
The correct answers are letters "B", "C", and "D": Give sincere and specific praise; Act professionally in social situations; Use correct names and titles.
Explanation:
Keeping a safe environment at the workplace implies following a set of good practices that benefit employees individually and to the overall organization. Greeting each other respectfully at the beginning of the day and farewelling coworkers on the way out of work are basic, simple customs that promote a familiar atmosphere.
Besides, <em>giving praise</em> after achieving certain goals; <em>acting professionally in the company's casual events</em>; or, <em>referring to each other with titles accordingly</em> also contribute to promoting a peaceful environment at work.
Managerial economics can be applied to the non-profit organizations too because it help them in organizing, and controlling their resources.
Managerial economics is relevant to nonprofit organizations and government agencies as well as conventional, for-profit businesses.
<h3>What is
Managerial economics?</h3>
Managerial economics is an area of economics that is used for staffing, as well as controlling the resources of the organization.
With Managerial economics , one can carry out:
- planning
- directing
- organizing
In this case, Managerial economics is relevant to nonprofit organizations and government agencies as well as conventional, for-profit businesses.
Learn more about Managerial economics at:
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- Would an investment generate attractive returns?
- What is the degree of risk inherent in the investment?
- Should existing investment holdings be liquidated?
- Will cash flows be sufficient to service interest and principal payments to support the
firm's borrowing needs?
- Does the company provide a good opportunity for employment, future advancement, and
employee benefits?
- How well does this company compete in its operating environment?
- <span>Is this firm a good prospect as a customer?</span>
Answer:
They should operate Mine 1 for 1 hour and Mine 2 for 3 hours to meet the contractual obligations and minimize cost.
Explanation:
The formulation of the linear programming is:
Objective function:

Restrictions:
- High-grade ore: 
- Medium-grade ore: 
- Low-grade ore: 
- No negative hours: 
We start graphing the restrictions in a M1-M2 plane.
In the figure attached, we have the feasible region, where all the restrictions are validated, and the four points of intersection of 2 restrictions.
In one of this four points lies the minimum cost.
Graphically, we can graph the cost function over this feasible region, with different cost levels. When the line cost intersects one of the four points with the lowest level of cost, this is the optimum combination.
(NOTE: it is best to start with a low guessing of the cost and going up until it reaches one point in the feasible region).
The solution is for the point (M1=1, M2=3), with a cost of C=$680.
The cost function graph is attached.