\begin{tabular}{|c|c|c|c|} \hline \multicolumn{1}{|c|}{} & A & B & C \\ \hline & \begin{tabular}{c} Demand \\ (dozens) \end{tabular} & \begin{tabular}{c} Relative \\ Frequency \end{tabular} \\ \hline 2 & 19 & 0.01 \\ \hline 3 & 20 & 0.05 \\ \hline 4 & 21 & 0.12 \\ \hline 5 & 22 & 0.18 \\ 6 & 23 & 0.13 \\ \hline 7 & 24 & 0.14 \\ \hline 8 & 25 & 0.10 \\ \hline 9 & 26 & 0.11 \\ \hline 10 & 27 & 0.10 \\ \hline 11 & 28 & 0.04 \\ \hline 12 & 29 & 0.02 \\ \hline 13 & & \\ \hline \end{tabular} Demand for doughnut holes on Saturdays at Don's Doughnut Shoppe is shown in the following table. o-1. Determine the optimal number of doughnut holes, in dozens, to stock if labor, materials, and overhead are estimated to be $3.20 per dozen, doughnut holes are sold for $4.80 per dozen, and leftover doughnat holes at the end of each day are sold the next day at half price. (Round your onswer to the neorest whole number.) a-1. Determine the optimal number of doughnut holes, in dozens, to stock if labor, materials, and overhead are estimated to be per dozen, doughinut holes are sold for $4.80 per dozen, and leftover doughnut holes at the end of each day are sold the next half price. (Round your answer to the nearest whole number.) a.2. What is the resuiting service level? (Round your answer to 2 decimal places.)