Spartans Inc. has three operating departments that receive support from Quality Control $($Support$).$ Below is the number of inspections department plans to use $($Expected Usage$)$ and its actual usage for the month.

$\backslash$table$[[,$Dept A$,$Dept B$,$Dept C$],[$Expected Usage,$130,190,140],[$Actual Wsage,$185,150,125]]$

Quality Control can provide up to $500$ inspections each month. Estimated its support costs are as follows:

Fixed Costs $,$$$45,000$

Variable Costs $$45$ per inspection

Spartans Inc. estimates costs based on Practical Capacity. For the single$-$rate method costs are allocated based on actual usage. For the dual$-$rate method variable costs are allocated based on actual usage and fixed costs are allocated based on expected usage.

If Spartans Inc. uses a Dual Rate based on Practical Capacity, how much support costs will be unallocated?