if vanilla extract is $4.50 per oz. How much would cost be for 1 teaspoon of that vanilla extract?

If flour is $5.00 per pound how much would 4 cups cost?

If baking powder is $2.00 per oz. how much would 2 teaspoons cost?

If salt was $1.00 per pound how much would 2 teaspoons cost?

If chocolate chips are $3.00 per 12 oz. how much would 1 cup cost?