A local farmer has been selling boxes of imperfect produce. Suppose the first week he sold 50 pounds of produce, the second week he sold 60 pounds, and the third week he sold 72 pounds. Assuming that the imperfect produce sales followed a consistent pattern of growth, how many pounds of produce were sold the 20th week? Round your answer to the nearest whole number.

Press enter to interact with the item, and press tab button or down arrow until reaching the Submit button once the item is selected
A270 pounds
B1,597 pounds
C1,140 pounds
D1,917 pounds