Answer: THE ANSWER IS (D)
Step-by-step explanation: There are two ways to do this:
Example 1
Multiply $40,000 by 15 and then find 5% of the product you get which is 600,000. 5% of $600,000 is $30,000
Example 2
Find 5% of $40,000 then multiply it by 15 and they should both give you the same answer.
I Hope this helped! :)