Sweet tea is being brewed by workers at a restaurant at a constant rate of 1,920 oz per hour during peak business hours. At the start of peak hours, there are 960 oz of tea already made. Customers are known to be served tea at the rates given in the table below. Use a right-hand Riemann sum to approximate how much tea is available in ounces after the 4-hour peak period. t (hours) Serving (oz/hour) 0 2000 1 2 4 1800 | 2100 | 2000