Legal Principle: The Latin maxim qui facit per alium, facit per se means that he who acts through another, acts himself.

Fact Situation: Heema requests her minor sister Harika to purchase a bag for her from the local shop. Harika purchases the bag on credit telling the shop keeper that her sister will pay for it. Afterwards, Heema refuses to pay for the bag.

Which of the following statements is the most appropriate in relation to the legal principle stated above?