Weston Jewelers uses the perpetual inventory system. On April? 2, Weston sold merchandise with a cost of $ 5 comma 000$5,000 for $ 9 comma 000$9,000 to a customer on account with terms of 33?/15, ?n/30. On April? 4, the customer reported damaged? goods, and Michelin granted a $ 1 comma 000$1,000 sales allowance. On April? 10, Weston received payment from the customer. Calculate the amount of net sales revenue.