sentences:  In 1909, Harry agreed to bring Jack into the family business; he sent his younger brother to Norfolk, Virginia, where Jack assisted Sam in the operation of a second film exchange company.Later that year, the Warners sold the family business to the General Film Company for "$10,000 in cash, $12,000 in preferred stock, and payments over a four-year period, for a total of $52,000" (equivalent to $ today).The Warner brothers pooled their resources and moved into film production in 1910.