Prairie Electronics, located in Regina, manufactures three product lines: (1) high-end speakers, (2) personal computers, and (3) handheld devices. For 2020, it compiled the following budgeted data: Required: 1. \& 2. Prepare a segmented performance report; Compute the contribution margin percentage and segment margin percentage. (Round "Percentoge" answers to 1 decimal ploce, (i.e., 0.123 should be considered as 12.3\%).) \begin{tabular}{|l|l|l|l|l|} \hline & & & & \\ \hline & & & & \\ \hline Total common fixed costs & & & \\ \hline & & & & \\ \hline & & % & % & \\ \hline & & % & % & \\ \hline \end{tabular} 3-a. Allocate the common fixed expenses equally to the three segments and prepare a performance report. (Negative amounts should be indicated with a minus sign.)