30 POINT QUESTION!

The ingredients needed to create a 3-4 bath bombs with a bracelet surprise inside is;
1 cup organic baking soda
½ cup organic citric acid
⅓ cup Epsom salt
1 tablespoon organic vegetable or nut oil
24 inches leather cord
1 plastic sphere container
1 bracelet charm

How much would you have to buy of each ingredient to have no ingredient left over?

How many bath bombs would that make?