Question 14, 5.1.19 HW Score Part 4 of 6 Points A tank is leaking at an increasing rate as indicated by the data below. Use the table to answer the following Time (hr) 0 1 2 3 4 5 6 8 Leakage (gal/hr) 30 70 150 240 340 410 550 600 720 An upper limit estimate for the amount of material leaked after 4 hours is 800 gal. (Simplify your answer.) A lower limit estimate for the amount of material leaked after 4 hours is 490 gal. (Simplify your answer.) An upper limit estimate for the amount of material leaked after 8 hours is 3080 gal. (Simplify your answer.) A lower limit estimate for the amount of material leaked after 8 hours is gal. (Simplify your answer.)