Crossword Puzzle Extortion amount, perhaps?

Clue: Extortion amount, perhaps?

Large amount of bricks (TON with 3 letters)
Amounts prescribed by doctors (DOSES with 5 letters)
Amount necessary to achieve a result (CRITICALMASS with 12 letters)
Milli___ (the amount of beauty required to launch one ship) (HELEN with 5 letters)
Employee check amount (NETPAY with 6 letters)
Heady amount? (CAPFUL with 6 letters)
Available amount (SUPPLY with 6 letters)
Medicine amounts: Abbr. (CCS with 3 letters)
Minuscule amount (e.g. BIT with 3 letters)
Bar amounts (TABS with 4 letters)