A student takes out a loan of $$$$2000$ at the beginning of each semester$($semi$-$annually$)$ for $7$ semesters to pay for college. The loan charges $7\mathrm{.}8\%$ interest compounded semiannually. The student graduates after the $7$ semesters and refinances the loan to a lower $7\mathrm{.}1\%$ rate compounded monthly with monthly payments $($made at the end of each$$ month$)$ for $120$ months. Find the monthly payment and the total interest paid.