Cost of 1 cup of sugar?

BROWN SUGAR:

• 1 lb. brown sugar = $0.89
• 2.25 cups packed brown sugar = 1 lb.
• $0.89 / 2.25 cups = $0.395 per cup of brown sugar
• $0.024 per Tablespoon, $0.0082 per teaspoon

GRANULATED SUGAR:

• I bought a 5-lb. bag for $1.89. Probably not the cheapest.
• $1.89 / 5 = $0.378 per pound of sugar
• 2.25 cups = 1 lb.
• $0.378 / 2.25 = $0.168 per cup of sugar

But i think that good sugar will cost about 300 Dolla