Textile Mill scheduling

NOTE: PLEASE READ QUESTION BELOW THIS SENTENCE BEFORE ANSWERING, THANKS!

Hello, I need 2 answers for this case study, mainly the discussion of the objective coefficients ranges. and the discusiion of how the objective of minimizing total costs would provide a different model than the objective of maximizing total profit contribution. (How would the interpretation of the objective coefficients ranges differ for these two models?) I only need these answers and not the excel solver study. Also, please make the answer in a paragraph form and please explain each coefficient and formula because this topic is very hard for me.

The Scottsville Textile Mill produces five different fabrics. Each fabric can be woven on one or more of the mills 38 looms. The sales departments forecast of demand for the next month is shown in Table 9.16, along with data on the selling price per yard, variable cost per yard, and purchase price per yard. The mill operates 24 hours a day and is scheduled for 30 days during the coming month.

The mill has two types of looms: dobbie and regular. The dobbie looms are more versatile and can be used for all five fabrics. The regular looms can produce only three of the fabrics. The mill has a total of 38: 8 are dobbie and 30 are regular. The rate of production for each fabric on each type of loom is given in Table 9.17. The time required to change over from producing one fabric to another is negligible and doEs not have to be considered.

The Scottsville Textile MIll satisfies all demand with either its own fabric or fabric purchased from another mill. Fabrics that can not be woven at the Scottsville Mill because of limited loom capacity will be purchased from another mill. The purchase price of each fabric is also shown in Table 9.16.

TABLE 9.16 MONTHLY DEMAND, SELLING PRICE, VARIABLE COST, AND PURCHASE PRICE DATA FOR SCOTTVILLE TEXTILE MILL FABRICS

Develop a model that can be used to schedule production for the Scottsville Textile Mill, and at the same time, determine how many yards of each fabric must be purchased from another mill. Include a discussion and analysis of the following items in your report:

1. A discussion of the objective coefficients ranges.
2. A discusiion of how the objective of minimizing total costs would provide a different model than the objective of maximizing total profit contribution. (How would the interpretation of the objective coefficients ranges differ for these two models?)