For each total fixed cost listed below, determine the fixed cost per unit when sales are 25,50 , and 100 units. \begin{tabular}{lr} \hline Store rent & 4,000 \\ Manager's salary & 2,000 \\ Equipment lease & 250 \\ Depreciation on fixtures & 125 \\ \hline \end{tabular} Begin by calculating the fixed cost per unit for each of the fixed costs listed, and the total fixed cost per unit when sales are 25 units. Then calculate the fixed cost per unit and the total fixed cost per unit when sales are 50 and 100 units, respectively. (Round all amounts to the nearest cent)