Keith Street Barber Shop pays $50 per month for water for the first 9,000 gallons and $1.75 per thousand gallons above 9,000 gallons. Calculate the total water cost when the barber shop uses 8,000 gallons, 11,000 gallons, and 16,000 gallons. ... (Do not round interim calculations. Round your final answers to the nearest cent.) Usage Total Water Cost 8,000 gallons 11,000 gallons 16,000 gallons