Runding in Business?

I am teaching percents and sales tax to my students. Are there any laws or rules to determine how to round? or:I am teaching percents and sales tax t

I am teaching percents and sales tax to my students. Are there any laws or rules to determine how to round?

or:I am teaching percents and sales tax to my students. Are there any laws or rules to determine how to round?


or:Of course, I mean Rounding (darn keyboard).

Tags:sale,teaching,rules,