Answer:
The answer to this question is given below in the explanation section.
Step-by-step explanation:
This question is about a good programming practice, that you have to initialize the variable to either null value or zero before using them in a programming statement.
So the correct fill-in-the-blank is given below:
It is always a good idea to initialize variables that will obtain values through calculations to either a Null (“ “) or to zero (0 or 0.00) before using them in programming statements.
It is noted that when you assign (" ") to a variable it is not an empty value but it has a null value (blank).