t 4 Question 14, 5.1.19 HW Score: 76.28%, 17.55 of Part 3 of 6 Points: 0.17 of 1 A tank is leaking at an increasing rate as indicated by the data below. Use the table to answer the following questions Time (hr) 0 1 2 3 4 5 6 7 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 gal (Simplify your answer.)