The City Council proposed to utilize government-owned land with an area of 21,600 square meters. One-third of the area will be used to plant mango trees while the rest of the land is where an emergency field hospital shall be built. As the city engineer, you were tasked to determine the following: the dimensions of the land planted with mango trees with minimum cost of fencing given that area is to be rectangular and to be fenced off on three sides not adjacent to the highway. A. Illustration and Representation of Variables B. Detailed Solution C. Conclusion D. As an Engineer, cite other instances aside from the situations given above where optimization (one maximization and one minimization) can be applied.