You are writing a program to determine sales commission, where the following commission rates are used:

sales	rate
< 10,000	3%
> 10,000 and <= 15,000	5%
> 15,000	7%

Write the constant declarations that will be needed in the code when calculating the commission. You can write these as define directives or as constant variables, but in either case, you must use standard and proper syntax.

(This is not asking to write a program or any code that will use these constants. Show only the constant declarations.) Program Language is c++