What's wrong with this margin calculation?
As the referenced document says, there are 3 formulas, and you need to use the formula which results the greatest margin requirement. In your case, you need to use the 10% formula:
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What's wrong with this margin calculation?

### Response:
As the referenced document says, there are 3 formulas, and you need to use the formula which results the greatest margin requirement. In your case, you need to use the 10% formula: