PART $3$

Betty's Book and Music Store has two service departments, Warehouse and Data Centre. Warehouse Department costs of $$175,000$ are allocated on the basis of budgeted warehouse$-$hours. Data Centre Department costs of $$75,000$ are allocated based on the number of computer log$-$on hours. The costs of operating departments Music and Books are $$125,000$ and $$150,000,$ respectively. Data on budgeted warehouse$-$hours and number of computer log$-$on hours are as follows:

$\backslash$table$[[,$Support Departments,Production Departments$],[,\backslash$table$[[$Warehouse$],[$Department$]],\backslash$table$[[$Data Centre$],[$Department$]],$Music,Books$],[$Budgeted costs,$$175,000,$$$75,000,$$$125,000,$$$150,000$