Use the Following Information to Answer the Question(s) Below -If a Model Has Alternative Optimal Solutions

Use the following information to answer the question(s) below.
Cerebro Manufacturing produces four types of structural support fittings-plugs, rails, rivets, and clips-which are machined on two CNC machining centers. The machining centers have a capacity of 250,000 minutes per year. The gross margin per unit and machining requirements are shown in the spreadsheet below. $\begin{array}{|l|l|l|l|l|l|l|}\hline&{\text { A }} & \text { B } & \text { C } & \text { D } & \text { E } & \text { F } \\\hline& \text { Cerebro } && & & & \\1&\text { ManufacturingModel } & & & & & \\\hline 2\\\hline 3 & \text { Product } & \text { Plugs } & \text { Rails } & \text { Rivets } & \text { Clips }& \begin{array}{l}\text { Machine } \\\text { Capacity } \\\text { (mins./year) }\end{array} \\\hline 4 & \text { Gross margin/unit } & \$ 0.40 & \$ 1.20 & \$ 0.80 & \$ 1.10 & \\\hline 5 & \text { Minutes/unit } & 1 & 2 & 3 & 1.5 & 250,000 \\\hline 6 & \text { Gross margin/minute } & \\\hline 7 & \text { Maximum production } & \\\hline 8 & \text { Profit } & \\\hline\end{array}$
-If a model has alternative optimal solutions, .

A) the objective is maximized or minimized by more than one combination of decision variables
B) there is no solution that simultaneously satisfies all the constraints
C) the objective can be increased or decreased to infinity or negative infinity
D) there is exactly one solution that will result in the maximum or minimum objective