I was trying to weed out some out-of-date books I never use and as I flipped through the 1982 "Information Age Sourcebook" (no mention of computers in THAT book) I found this chart, which might be quite useful! (Sorry I can't reproduce it neatly - I'm in a hurry.)
grease for peaceA twin cities review: Their website www.greaseforpeace.com Seems to be down right now A great hamburger. Dimitri BEST DINER Band Box Diner 729...
"Based on yields of cooked chicken.....the uncooked chicken weighed 2.75 lbs.")
If a whole fryer costs 49 cents-lb:
Breast half without rib should cost 67
" " WITH rib should cost 65
Thighs should cost 55
Thighs & drumsticks should cost 53
Drumsticks should cost 50
Wings should cost 39.
If the fryer costs 51 cents-lb, prices are 70, 67, 57, 55, 53, 41.
Fryer at 53 cents: 72, 70, 59, 57, 55, 43.
Fryer at 55 cents: 75, 73, 61, 59, 57, 44.
" " 57 " : 78, 75, 63, 61, 59, 46.
" " 59 " : 80, 78, 66, 63, 61, 48.
" " 61 " : 83, 81, 68, 66, 63, 49.
" " 63 " : 86, 83, 70, 68, 65, 51.
That's not the entire chart, but I hope it will do. Note that the ratios change a bit as you move down the chart.
Lenona.