100000 divided by100000 = 10/00000.

B94.88-94.29)*2500= 14750

C10 million *5. 15%

I don't know

the second question

Prevent the spot from falling and sell the hedge.

1 billion divided by 3645 *100 *1.1.

3630-3430= 170

170 divided by 3630

1 100 million times 17 divided by 3630