Light one is enough. I practice it repeatedly during the exam. I erase the pencil the first time, and do it again when I review it the second time. I mark the wrong questions every time, and only practice the marked questions at last. Although the tax accountant is less difficult than the note meeting, there are many exam questions, and all kinds of questions covered by light one are completely enough. Of course, if you have enough time, you can buy light two to study.

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