I think the incorrect pronoun shift would be the line "<span>before you adopt a pet". I think it should be before one adopts a pet. This is because the sentence started with "It is". The "you" made the sentence very confusing. The second pronoun should be singular, the pronoun you is often denoted as plural and not singular.</span>
The correct answer for the question that is being presented above is this one: "with." You sell T-shirts in a market with price controls, where you charge the equilibrium price. The equilibrium price is already the best selling price that you can impose to a certain product.
A globe would show the earth more accurately
