What is the narrative's point of view?

The bus is coming now, and you're staring at the tips of your black shoes. You've got to be prepared. You put your hand in your pocket, search among the coins, and finally take out thirty centavos. You've got to be prepared. You grab the handrail—the bus slows down but doesn't stop—and jump aboard.

What makes this part of the anecdote about elisa effective? when [elisa] finally walks home, after seven hours of standing at a cash register, her feet hurt. she's wiped out. it makes the reader trust the author as an authority on teenage issues. it uses emotional language to the reader experience elisa's daily challenges. it presents facts to support the long hours elisa is required to work.