Add-on Filter by own field



I've added extra field to Resources:
1. Checkbox A: Variant A1, Variant A2, Variant A3
2. Checkbox B: Variant B1, Variant B2, Variant B3
3. Checkbox C: Variant C1, Variant C2, Variant C3

I would like to make filter for these fields.
For example I check Variant A1, Variant A2, Variant B3, Variant C2 and look resources with these parameters.

Who can make this add-on?
What are the time and cost?
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