You are offered two jobs. Company A offers an annual salary of $$\$ 48,000$$ plus a year-end bonus of $2.5 \%$ of your total sales. Company B offers a salary of $$\$ 44,000$$ plus a year-end bonus of $6.5 \%$ of your total sales. What is the amount you must sell in one year to earn the same salary working for either company?