So for A its 0.43 an oz B 0.36 an oz C it's also 0.36 an oz D 0.37 an oz, so I would say it would be C it's the cheapest per ounce and you get the most out of it.
its important to have a large savings so that if something happens & it's an emergency, you can touch THOSE funds and not your assets, which may lose you money.
