What is the purpose of the system of checks and balances

The system where branch of government exercise some controls over the other branch.

Explanation:

the amount of the purse is, $120.

tax rate =9%

first find the the total tax she paid on the amount is equal to the 9% of $120 i.e,

now,

total amount paid by shalika = $120 +$10.8 = $130.8

congress has authority over financial and budgetary matters, through the enumerated power to lay and collect taxes, duties, imposts and excises, to pay the debts and provide for the common defense and general welfare of the united states. the constitution also grants congress exclusively the power to appropriate funds.

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