Queries are limited to one table at time to find values that meet the criterion

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.

The predominant Gigabit Ethernet standard is __________________.

Fill in the blank(s) with the appropriate word(s).