Considering the following information, what is the NPV if the borrower refinances the loan?

Expected holding period: $7$ years

Current loan balance: $$400,000$

Current loan interest: $7\mathrm{.}875\%$

Remaining term on current mortgage: $15$ years

New loan interest: $5\mathrm{.}25\%$

New loan term: $15$ years

Cost of refinancing: $$12,000$

Assume that the opportunity cost is $10\%.$