Catherine just borrowed $$5000$ she plans to repay this loan by making special payments of $$1400$ in five years and by making regular annual payments of $$704\mathrm{.}50$ per year until the loan is paid off if the interest rate on the loan is $7\mathrm{.}80\%$ per year and she makes her firstRegular annual payment of $$704\mathrm{.}50$ in one year then how many regular annual payments of $$704\mathrm{.}50$ must Catherine make.