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The production process shown below consists of five stages. The numbers in parentheses are the times in minutes to complete one unit before it moves on to the next stage. The demand rate is 34 units per hour. a. How many workers are needed at each stage if management wants a walization of at least 85 percent? Round your answers up to the nearest whole number. \begin{tabular}{|l|l|} \hline Stage A: & workers \\ \hline Stage B: & workers \\ \hline Stage C: & workers \\ \hline stage D: & workers \\ \hline Stage E: & workers \\ \hline \end{tabular} b. Suppose that the number of workers at each stage are as follows: What is the output rate at each stage? Round your answers to the nearest whole number