A company estimates that its sales will grow continuously at a rate given by the function S'(t) = 15 e', where S'(t) is the rate at which sales are increasing, in dollars per day, on day t. Find the sales from the 2nd day through the 8th day. (This is the integral from 1 to 8.) A. $44,714.37 OB. $44,673.60 C. $20,866.71 OD. $2,978.24