$12 per pound
1 pound 12 ounces at $1.96 per pound is: $3.43
First off it contains no Freon. The refrigrant used is not Freon R12 but is R134a. Freon is extremely expensive but R134a is around $7 per 12 ounce can.
The original freon is R-12. Good luck finding it and if you do expect to pay over $ 100 per pound. The system should be converted over to 134A by a mechanic.
12€ a kilo
12 pounds is 192 ounces (16 ounces per pound).
That is 3/4 pound of pasta.
(1+12/16)lb X $ 1.96 = $ 3.43
About $12 per pound
The unit cost would be (12 dollars) / (150 pound) = 0.08 dollars per pound, or could word it as $0.08 per pound, or 8 cents per pound.
1 lb. 12 oz. = 1.75 lbs. 1.75 x 1.96 = $3.43
With a weight of 2.268 grams per dime, and 453.592 grams per pound, it makes 200 dimes to the pound. So, 200 dimes per pound times 12 pounds is 2,400 dimes, or $240.