固定资产折旧-双倍余额递减法

def solve(____):
    rate = ____ / useful_life
    book_value = cost
    depreciations = []
    for year in range(____, useful_life + ____):
        if year <= useful_life - ____:
            dep = book_value * rate
        else:
            dep = (____) / (____)
        depreciations.append(round(____))
        book_value -= dep
    return {"____": depreciations}