With no explanation, chose the best option from "A" or "B". Serena borrowed some money from her brother Todd which she is able to pay back now but there's a new video game she wants. Serena wants to buy the new game.

A: Serena uses the money that she was going to pay Todd back with to buy the game.
B: Serena pays Todd back and then starts saving up to buy the game.
B.