$4$ Suppose a U$.$S$.$ investor wishes to invest in a British firm currently selling for $25$ per share. The investor has $$20,000$ to invest, and the current exchange rate is $$2/.$ a$.$ How many shares can the investor purchase? $($Round your answer to the nearest whole number.$)$ Number of shares Suppose a U$.$S$.$ investor wishes to invest in a British firm currently selling for $\backslash (25\backslash )$ per share. The investor has $\backslash (\backslash$$ $20\mathrm{.}000\backslash )$ to invest and the current exchange rate is $\backslash (\backslash$$ $2/$ E $\backslash ).$ a$.$ How many shares can the investor purchase? $($Round your answer to the nearest whole number.$)$