(7th grade work) How many gallons of water were in the bucket after 1 second? Explain your thinking. Last question people put two different answers so im trying to figure out which one in the correct one plz help

Last month, leonhard euler's watch kiosk at the mall had total sales of $9,489. merchandise totaling $225 was returned. the goods that were sold cost leonhard euler's $5,481. operating expenses for the moth were $992. what was the gross profit on sales?