How did shauzia and parvana make money for their families in the breadwinner?

In "The Breadwinner," Shauzia and Parvana make money for their families by selling items in the marketplace. Parvana, disguised as a boy, takes on various jobs including digging graves and selling goods, while Shauzia sells items like tea and bread. Their resourcefulness and determination help them support their families amidst the oppressive conditions in Taliban-controlled Afghanistan. Together, they navigate the challenges of survival while striving for a better future.