What are the main roles of the federal reserve?

To have a backup incase a crises breaks out.

Explanation:

ayatollah khomeini can best be described as the leader who declared iran to be an islamic republic.

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