Answer: tax

AnswerCrossword Clue
TAXStore charge, often
TAXGovernment supporter
TAXBurden
TAXBig estate concern
TAXPayroll deduction
TAXInvoice add-on
TAXIncome outgo
TAXIt's often above the final total
TAXIt's based on purchase price
TAXPenultimate line on most bills
TAXGovernment demand
TAXBoston Tea Party catalyst
TAXTest to the max
TAXDuty
TAXBill addition
TAXCustoms duty, e.g.
TAXKind of shelter
TAXPayment due April 15
TAXKind of bracket or shelter
TAXIt may be value-added
taxsum of money paid to a government
TAXInternal revenue?
TAXImpost
TAXOverburden
TAXPrice add-on
TAXSin ..
TAXPoll or sales
TAXTribute of a sort
TAXExtra dough?
TAXValue added ...
TAXSomething imposed on a shopper, perhaps
TAXDeplete
TAXSurcharge
TAXCharge
TAXApril payment
TAXGovernment's bite
TAXStrain
TAXIt may be on a schedule
TAXWhiskey Rebellion catalyst
TAXSpring collection?