Breakfast

This is an English Muffin with Ham, Colby cheese, and Pineapple. It's around 293 calories. The cost worked out to about $1.23 each.

To see the spreadsheet, you can visit the following Google Document:
http://spreadsheets.google.com/ccc?key=pndtbqFYLzBHLQj1uD403Pw
Can't See it? I'll try to copy and paste it here.

Allocation of resources: Is it really cheaper to make your own sandwich, or go with Fast Food?
County Market	http://www.freshtraditions.com/
Double-G Brand Biscuit Sliced Ham	http://www.doublegham.com
Cost	$5.49
Total weight (oz)	16
Total slices	40
Ounces per slice	0.4
Serving size (oz)	3
Calories per serving	100
Slices per serving	7.5
Calories per slice	13.33333
Cost per slice	$0.14
Bays English Muffins	http://www.bays.com/
Cost	$2.49
Total Weight (oz)	12
Muffins	6
Serving size (oz)	2
Calories per serving	140
Cost per muffin	$0.42
Dole Pinapple Slices	http://www.dole.com/Products/Products_Detail.jsp?CatGroupID=5&ID=37#
Cost	$2.99
Slices per can	10
Calories per slice	30
Cost per slice	$0.30
Kraft Colby Cheese	http://www.kraftfoods.com/kf/Products/ProductInfoDisplay.aspx?SiteId=1&Product=2100062441
Cost	$5.99
Total weight (oz)	16
Serving size (Oz)	1
Calories per serving	110
Cost per serving	$0.37
Total cost of supplies	$16.96
Cost per unit produced	$1.23
Total Calories per unit produced	293.3333
McDonalds Sausage McMuffin*	* Sausage McMuffin is as close as I can imagine for a substitute equivelent.
Price	$1.60	http://answers.yahoo.com/question/index?qid=20060922090415AAnAl2u
Calories	450	http://nutrition.mcdonalds.com/nutritionexchange/nutrition_facts.html#5
Savings by doing it myself	$0.37
Savings in terms of calories	156.6667
	Optimum Resource Allocation
		Output	Price	Packages	Subtotal	Excess Output	Waste Cost
	Ham	40	$5.49	1.00	$5.49	0.00	$0.00
	English Muffin	6	$2.49	6.67	$16.60	2.00	$0.83
	Pinapple Slice	10	$2.99	4.00	$11.96	0.00	$0.00
	Colby Cheese	16	$5.99	2.50	$14.98	8.00	$3.00
			$16.96		$49.03	10.00	$3.83
	Cost per producible unit		$2.83		$1.23		$0.10	$1.32