A sector fund specializing in commercial bank stocks had average

daily assets of $$4\mathrm{.}8$ billion during the year. This fund sold $$1\mathrm{.}85$

billion worth of stock during the year, and its turnover ratio was

$0\mathrm{.}38.$ How much stock did this mutual fund purchase during the

year?$($Enter your answer in dollars not in billions,

e$.$g$.,1,234,567,891.)$