You will need

Sweater
22-24in Chest - 4 Balls
24-26in Chest - 4 Balls
26-28in Chest - 5 Balls
28-30in Chest - 5 Balls
30-32in Chest - 6 Balls

Jacket
22-24in Chest - 4 Balls
24-26in Chest - 5 Balls
26-28in Chest - 5 Balls
28-30in Chest - 6 Balls
30-32in Chest - 7 Balls

5mm Needles
4 (4 : 4 : 4 : 5) Buttons for Jacket