A lightbulb appearing above someone's head meaning “I have a great idea” is because, A) a bright image like a lightbulb is a metaphor of a bright idea, a good and smart idea. ... So when someone has a bright idea, they're having an Edison moment, like Edison's bright idea of the bright lightbulb.
Answer:
to calculate your net worth you have to add up all your assests and subtract your liabilities from the total. Assests include a house, car, savings, stocks, investments, property, etc. I give up sorry!!
C. Oh no! This is the last day, but it's enough