750,000,000 +50,000,000

750,000,000 +50,000,000

750,000,000 +50,000,000

1

700,000,000 -750,000,000

700,000,000 -750,000,000

700,000,000 -25,000,000

1 -1

1,450,000,000

1,450,000,000

725,000,000

2