When the code that follows is executed, a message is displayed if the value the user entersvar userEntry = (prompt("Enter cost:");if (isNaN(userEntry) || userEntry > 500 ) { alert ("Message");a. isn’t a number or the value in userEntry is more than 500b. isn’t a number and the value in userEntry is more than 500c. is a number or the value in userEntry is more than 500d. is a number and the value in userEntry is more than 500