ize analysis 53 III 2013 South China notebook, notepad market demand analysis of 54 comparative analysis of the industry analysis 57 Second, in 2013 the cost of sales 57 different scale enterprises III in 2013 enterprises of different ownership comparative analysis of the cost of sales 58 Section 2013 notebook, notepad industry sales cost analysis 59 a, 2013 notebooks, notebook sales total cost of the 59 two industry analysis, comparative analysis of different scale enterprises in 2013 selling expenses 59 III 2013 enterprises of different ownership comparative analysis of cost of sales 60 Section 2013 notebook, notepad industry management cost analysis 60 a, 2013 notebook, notepad manage the total cost of the 60 two industry analysis, comparative analysis 2013 enterprises of different sizes and administrative expenses 61 III 2013 enterprises of different ownership comparative analysis of administrative costs 61 IV 2013 notebook, notepad industry financial cost analysis 62 First, the 2013 notebook, notepad total financial cost of the 62 two industry analysis, comparative analysis of 2013 financial costs of different scale enterprises 63 III 2013 enterprises of