Sandy buys an old scooter for $900 and spends $300 on its repairs. If Sandy sells the scooter for $1320, what is the gain percent?	Choices
A) 2 %	B) 4 %	C) 6 %	D) 8 %	E) 10 %

Rationale: "selling price / total cost = 1320 / 1200 = 1.1 the gain percent is 10 % . the answer is e ."
Answer: E