Crossword Puzzle Homework amount?

Clue: Homework amount?

Extortion amount, perhaps? (COVERUPCHARGE with 13 letters)
Garnish amount (SPRIG with 5 letters)
Current amount (e.g. AMPERE with 6 letters)
Device that determines the amount of a utility bill (WATERMETER with 10 letters)
Inexact recipe amount (DASH with 4 letters)
Small, irregular amounts (DRIBSANDDRABS with 13 letters)
Lame homework excuse (IFORGOT with 7 letters)
End amount (NET with 3 letters)
W-2 amount perhaps (SALARY with 6 letters)
Wine-tasting amount (SIP with 3 letters)