I THINK I DID IT THE WRONG WAY! PLS HELP ND SEE INSTRUCTIONS

Memorial Services, Incorporated (MSI) has three service departments (IT, Accounting, and HR) and two production departments (West and East). The usage data for each of the service departments for the previous period follow: The direct costs of the service departments in the previous period were $90,500 for IT, $114,000 for Accounting, and $150,000 for HR. Required: Use the step method to allocate the service department costs to the two production departments. Allocate HR costs first, followed by IT, and then Accounting. Note: Amounts to be deducted should be indicated by a minus sign. \begin{tabular}{|c|c|c|c|c|c|c|} \hline \multicolumn{7}{|c|}{ Answer is not complete. } \\ \hline & & IT & Accounting & HR & West & East \\ \hline Service department costs & $ & 90,500 & $114,000 & $150,000 & & \\ \hline HR allocation & & & & (150,000) & 112,500 & 37,500 \\ \hline IT allocation & & (90,500) & & & 45,250 & 45,250 \\ \hline Accounting allocation & & & (114,000) & & 45,600 & 68,400 \\ \hline Total costs allocated & $ & 0 & $ & $ & $203,350 & $151,150 \\ \hline \end{tabular}