$1.$ Sarah has $$2,500$ that she wants to invest in a European certificate of deposit $($CD$).$ The spot exchange rate $($dollars per euro$)$ ise$$/=1\mathrm{.}13$ If the minimum investment required in the CD is $2,000,$ does Sarah have sufficient funds? If not, what is the shortfall $($in Euros$)?$ If so$,$ how much surplus does Sarah have $($in euros$)?$