sales.csv

price,promo,sales
9.99,0,142.3
9.99,1,178.5
14.99,0,118.2
14.99,1,151.7
19.99,0,95.4
19.99,1,128.9
24.99,0,76.1
24.99,1,104.6
29.99,0,58.8
29.99,1,87.2
12.49,0,131.4
12.49,1,164.0
17.49,0,107.1
17.49,1,140.3
22.49,0,85.6
22.49,1,116.4
27.49,0,67.5
27.49,1,95.7
9.99,0,138.1
14.99,1,154.2