Answer and explanation:
About the difference in value between total contribution and the lump sum I can say that with a lump sum we are more likely to receive the money all at just on moment. This can lead us to waste all of our money all at once. The total contribution sometimes is not as much as we were waiting for it is still useful so we can track of how much money we are spending.
The term that is used for this difference is annuitization.
Answer: Singing can be so emotionally and mentally elevating that it feels as though you’re on another plane of existence, or outside your body, as you sing. At other times, you can feel very much “in” your body, mindful of every sensation and movement. Sometimes, it can make the singer feel both. There will always be the occasional day when singing does not mean euphoria. You’ll be tired, or under the weather, or burned out. But if you feel pure joy when you sing 90% of the time, then you should chase that feeling.
Explanation: