A patient is seen in their doctor's office and the fee is $$95.$ Their copay is $$20$ and the deductible has been met.$$The payer pays the practice $$40.$

a$.$ How much will the patient have to pay the provider?$\_\_\_\_\_\_\_\_\_\_\_\_\_$

b$.$ How much will the payer reimburse the provider?$\_\_\_\_\_\_\_\_\_\_\_\_$

c$.$ How much will the provider have to "write off"?$\_\_\_\_\_\_\_\_\_\_\_\_$