What is wrong with this code?

```
float CalcCost( int unit )
{
float cost;
cost = 5.59 * unit;
return cost;
}

```

A. The function name is invalid.
B. The return type should be int.
C. You can’t have math statements inside a function.
D. Nothing is wrong with it.

D. Nothing is wrong with it.

Computer Science & Information Technology

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