Suggestions?

Rum Walnut Cake - Recipe Cost

Ingredients	Per Serving Qty	Common Price	Price per Serving
1 c. walnuts	2 tablespoons	$9.89 per 16 ounces	$0.32
1 yellow cake mix	1/8 cake	$1.99 per item	$0.25
1 (3 3/4 ounce.) vanilla instant pudding	1/2 oz	$8.00 per 8 fluid ounces	$0.51
4 Large eggs	1/2 eggs	$2.53 per 12 items	$0.11
1/2 c. cool water	1 tablespoon	n/a
1/2 c. oil	1 tablespoon	$3.00 per 48 fluid ounces	$0.03
1/2 c. rum	1 tablespoon	$0.35 per fluid ounce	$0.17
Total per Serving			$1.39
Total Recipe			$11.12