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The following chart shows three different costs: Cost A, Cost B, and Cost C. For each cost, the chart shows the total cost and cost per unit at two different volumes within the same relevant range. Based on this information, identify each cost as fixed, variable, or mixed. Explain your answers. View the chart. \begin{tabular}{|lrrrrrr|} \hline & \multicolumn{2}{c}{ At 1,000 units } & \multicolumn{3}{c|}{ At 4,000 units } \\ \cline { 2 - 7 } & \multicolumn{2}{c|}{ Total Cost } & Cost per Unit & Total Cost & \multicolumn{2}{c|}{ Cost per Unit } \\ \cline { 2 - 7 } Cost A & $ & 75,000$ & 75.00$ & 75,000$ & 18.75 \\ Cost B & $ & 6,000$ & 6.00$ & 24,000$ & 6.00 \\ Cost C & $ & 32,000$ & 32.00$ & 68,000$ & 17.00 \\ \hline \end{tabular} mixed cost variable cost Cost A is a fixed cost . Total costs increases. Cost B is a Total costs increases. er unit costs Cost C is a Total costs increases. . (iin) and the per unit costs as decrease increase per unit costs stay the same is a Total costs es. is a ses. is a is a ses