Walmart gets a shipment of $5,000$ turkey fryer pots and burners $($Fryers$).$ Walmart has a "sale or return" policy for goods it sells. On December $28,$ after all of the sales for the holiday season have occurred, Walmart has $2,000$ of the Fryers left. Walmart sets them aside in their warehouse to ship back to the seller on January $5$ for a refund. On January $4,$ the Cajun Navy comes into the wareahouse and steals $1,000$ of the fryers. Walmart ships the remaining $1,000$ fryers back to the original seller. If walmart has not paid for any of the fryers to date, for how many must they pay?