Barstow Manufacturing Company has two service departments - product design and engineering support, and two production departments - assembly and finishing. The distribution of each service department's efforts to the other departments is shown below. FROM TO Design Support Design Support Assembly Finishing ON 100 308 600 208 os 450 354 The direct operating costs of the departments (including both variable and flwed costs) were as follows: Design Engineering Support Assembly Finishing $140,000 $160,000 $550,000 $840,000 The total cost accumulated in the assembly department using the step method is calculate alt ratios and percentages to 4 decimal places, for example 33.3333%, and round all dollar amounts to the nearest whole dollar, assume that the engineering support department goes first)