Answer:
50g at $1.00
Step-by-step explanation:
If u get 3.20g at 60 cents u are only getting 0.053g per cent.
but if u get 50g at $1.00 u are getting 0.5g per cent
(u get 0.447g more with 50g at $1.00 than 3.20g at 60 cents)
Hope this helps :)
sorry if i am wrong