Goldfarb's Book and Music Store has two service departments, Warehouse and Data Center.

Warehouse Department costs of $$350,000$ are allocated on the basis of budgeted warehouse$-$hours. Data Center Department costs of $$100,000$ are allocated based on the number of computer log$-$on hours. The costs of operating departments Music and Books are $$112,500$ and $$135,000,$ respectively. Data on budgeted warehouse$-$hours and number of computer log$-$on hours are as follows:

$\backslash$table$[[,$Support Departments,Departments$],[,\backslash$table$[[$Warehouse$],[$Department$]],\backslash$table$[[$Data Center$],[$Department$]],$Music,Books$],[$Budgeted costs,$$350,000,$$$100,000,\backslash$table$[[$$$112,50$