JavaScript Question of the Day April 14, 2025

The following program is meant to print the total value of a trade, but currently results in an error:

function main() {
    let price = 8;
    let count = 30;

    printValue(count);
}

function printValue(num) {
    let value = unitPrice * num;
    console.log(value);
}

Which of the below options should be implemented in order to fix the program?

1. Correct Answer
   Incorrect Answer
   a

   Include unitPrice as a parameter on line 8 after num and price as an argument on line 5 after count.

2. Correct Answer
   Incorrect Answer
   b

   Change the name of unitPrice to be “price” on line 9 so that it matches the name on line 2.

3. Correct Answer
   Incorrect Answer
   c

   Change console.log(value) on line 10 to be return value;.

4. Correct Answer
   Incorrect Answer
   d

   Both options A and B need to be implemented for this program to run properly.