However, the financial expenses increased by 95.65%, which was caused by the enterprise's financing and operation in 2018, and also reduced the sales expenses of the year to a certain extent, mainly the advertising expenses. The substantial increase of turnover in 2019 brought about the simultaneous growth of various expenses, of which the growth of raw materials and sales expenses was the most obvious, with an increase of 11.7% and 104.12% respectively, and the sales expenses doubled to make up for the publicity expenses of sales expenses in 2018 to some extent, while the management and financial expenses showed a downward trend, It shows that there is a lack of good communication and coordination among the production, management and sales departments, and that there is a phenomenon of "the low is the high",<br>
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