What was true about the Incan economy?

The main resources available to the Inca Empire were agricultural land and labor, mines (producing precious and prestigious metals such as gold, silver or copper), and fresh water, abundant everywhere except along the desert coast.

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